Home / 752,862.30-1,038,937.02-413,328.12

Finding the Fourth Proportional to 752,862.30, 1,038,937.02 and 413,328.12

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Solution

The fourth proportional to 752,862.30, 1,038,937.02 and 413,328.12 is: 570,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,862.30 : 1,038,937.02 = 413,328.12 : x
  2. Step 2: Convert to fraction form
    752,862.30/1,038,937.02 = 413,328.12/x
  3. Step 3: Cross multiply
    752,862.30x = 1,038,937.02 × 413,328.12
  4. Step 4: Simplify right side
    752,862.30x = 429,421,885,275.00
  5. Step 5: Solve for x
    x = 429,421,885,275.00/752,862.30
  6. Step 6: Final answer
    x = 570,385.69

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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.