Home / 775,964.20-1,163,995.50-243,506.24

Finding the Fourth Proportional to 775,964.20, 1,163,995.50 and 243,506.24

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Solution

The fourth proportional to 775,964.20, 1,163,995.50 and 243,506.24 is: 365,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,964.20 : 1,163,995.50 = 243,506.24 : x
  2. Step 2: Convert to fraction form
    775,964.20/1,163,995.50 = 243,506.24/x
  3. Step 3: Cross multiply
    775,964.20x = 1,163,995.50 × 243,506.24
  4. Step 4: Simplify right side
    775,964.20x = 283,440,167,581.92
  5. Step 5: Solve for x
    x = 283,440,167,581.92/775,964.20
  6. Step 6: Final answer
    x = 365,274.80

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Half scale
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Double scale
Find fourth proportional to 775,965.20, 1,163,997 and 243,507.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.