Home / 752,633.40-1,038,555.90-425,983.08

Finding the Fourth Proportional to 752,633.40, 1,038,555.90 and 425,983.08

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Solution

The fourth proportional to 752,633.40, 1,038,555.90 and 425,983.08 is: 587,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,633.40 : 1,038,555.90 = 425,983.08 : x
  2. Step 2: Convert to fraction form
    752,633.40/1,038,555.90 = 425,983.08/x
  3. Step 3: Cross multiply
    752,633.40x = 1,038,555.90 × 425,983.08
  4. Step 4: Simplify right side
    752,633.40x = 442,407,241,034.17
  5. Step 5: Solve for x
    x = 442,407,241,034.17/752,633.40
  6. Step 6: Final answer
    x = 587,812.39

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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.