Home / 942,920.92-1,301,230.80-513,204.13

Finding the Fourth Proportional to 942,920.92, 1,301,230.80 and 513,204.13

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Solution

The fourth proportional to 942,920.92, 1,301,230.80 and 513,204.13 is: 708,221.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,920.92 : 1,301,230.80 = 513,204.13 : x
  2. Step 2: Convert to fraction form
    942,920.92/1,301,230.80 = 513,204.13/x
  3. Step 3: Cross multiply
    942,920.92x = 1,301,230.80 × 513,204.13
  4. Step 4: Simplify right side
    942,920.92x = 667,797,020,643.20
  5. Step 5: Solve for x
    x = 667,797,020,643.20/942,920.92
  6. Step 6: Final answer
    x = 708,221.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.