Home / 775,959.13-1,163,987.90-243,501.17

Finding the Fourth Proportional to 775,959.13, 1,163,987.90 and 243,501.17

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Solution

The fourth proportional to 775,959.13, 1,163,987.90 and 243,501.17 is: 365,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,959.13 : 1,163,987.90 = 243,501.17 : x
  2. Step 2: Convert to fraction form
    775,959.13/1,163,987.90 = 243,501.17/x
  3. Step 3: Cross multiply
    775,959.13x = 1,163,987.90 × 243,501.17
  4. Step 4: Simplify right side
    775,959.13x = 283,432,415,515.84
  5. Step 5: Solve for x
    x = 283,432,415,515.84/775,959.13
  6. Step 6: Final answer
    x = 365,267.20

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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.