Home / 752,700.22-1,038,727.45-408,536.28

Finding the Fourth Proportional to 752,700.22, 1,038,727.45 and 408,536.28

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Solution

The fourth proportional to 752,700.22, 1,038,727.45 and 408,536.28 is: 563,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,700.22 : 1,038,727.45 = 408,536.28 : x
  2. Step 2: Convert to fraction form
    752,700.22/1,038,727.45 = 408,536.28/x
  3. Step 3: Cross multiply
    752,700.22x = 1,038,727.45 × 408,536.28
  4. Step 4: Simplify right side
    752,700.22x = 424,357,846,433.04
  5. Step 5: Solve for x
    x = 424,357,846,433.04/752,700.22
  6. Step 6: Final answer
    x = 563,780.68

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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.