Home / 775,465.65-1,163,198.88-243,028.15

Finding the Fourth Proportional to 775,465.65, 1,163,198.88 and 243,028.15

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Solution

The fourth proportional to 775,465.65, 1,163,198.88 and 243,028.15 is: 364,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,465.65 : 1,163,198.88 = 243,028.15 : x
  2. Step 2: Convert to fraction form
    775,465.65/1,163,198.88 = 243,028.15/x
  3. Step 3: Cross multiply
    775,465.65x = 1,163,198.88 × 243,028.15
  4. Step 4: Simplify right side
    775,465.65x = 282,690,068,980.48
  5. Step 5: Solve for x
    x = 282,690,068,980.48/775,465.65
  6. Step 6: Final answer
    x = 364,542.35

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Double scale
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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.