Home / 783,140.13-1,175,235.12-502,854.21

Finding the Fourth Proportional to 783,140.13, 1,175,235.12 and 502,854.21

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Solution

The fourth proportional to 783,140.13, 1,175,235.12 and 502,854.21 is: 754,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,140.13 : 1,175,235.12 = 502,854.21 : x
  2. Step 2: Convert to fraction form
    783,140.13/1,175,235.12 = 502,854.21/x
  3. Step 3: Cross multiply
    783,140.13x = 1,175,235.12 × 502,854.21
  4. Step 4: Simplify right side
    783,140.13x = 590,971,927,831.86
  5. Step 5: Solve for x
    x = 590,971,927,831.86/783,140.13
  6. Step 6: Final answer
    x = 754,618.37

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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.