Home / 747,665.80-1,031,765.54-425,368.96

Finding the Fourth Proportional to 747,665.80, 1,031,765.54 and 425,368.96

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Solution

The fourth proportional to 747,665.80, 1,031,765.54 and 425,368.96 is: 587,001.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,665.80 : 1,031,765.54 = 425,368.96 : x
  2. Step 2: Convert to fraction form
    747,665.80/1,031,765.54 = 425,368.96/x
  3. Step 3: Cross multiply
    747,665.80x = 1,031,765.54 × 425,368.96
  4. Step 4: Simplify right side
    747,665.80x = 438,881,034,713.64
  5. Step 5: Solve for x
    x = 438,881,034,713.64/747,665.80
  6. Step 6: Final answer
    x = 587,001.62

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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.