Home / 762,901.57-1,052,789.13-431,751.37

Finding the Fourth Proportional to 762,901.57, 1,052,789.13 and 431,751.37

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Solution

The fourth proportional to 762,901.57, 1,052,789.13 and 431,751.37 is: 595,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,901.57 : 1,052,789.13 = 431,751.37 : x
  2. Step 2: Convert to fraction form
    762,901.57/1,052,789.13 = 431,751.37/x
  3. Step 3: Cross multiply
    762,901.57x = 1,052,789.13 × 431,751.37
  4. Step 4: Simplify right side
    762,901.57x = 454,543,143,934.66
  5. Step 5: Solve for x
    x = 454,543,143,934.66/762,901.57
  6. Step 6: Final answer
    x = 595,808.38

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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.