Home / 754,765.68-1,042,008.12-500,462.40

Finding the Fourth Proportional to 754,765.68, 1,042,008.12 and 500,462.40

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Solution

The fourth proportional to 754,765.68, 1,042,008.12 and 500,462.40 is: 690,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,765.68 : 1,042,008.12 = 500,462.40 : x
  2. Step 2: Convert to fraction form
    754,765.68/1,042,008.12 = 500,462.40/x
  3. Step 3: Cross multiply
    754,765.68x = 1,042,008.12 × 500,462.40
  4. Step 4: Simplify right side
    754,765.68x = 521,485,884,554.69
  5. Step 5: Solve for x
    x = 521,485,884,554.69/754,765.68
  6. Step 6: Final answer
    x = 690,924.21

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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.