Home / 747,715.56-1,031,851.67-425,425.65

Finding the Fourth Proportional to 747,715.56, 1,031,851.67 and 425,425.65

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Solution

The fourth proportional to 747,715.56, 1,031,851.67 and 425,425.65 is: 587,089.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,715.56 : 1,031,851.67 = 425,425.65 : x
  2. Step 2: Convert to fraction form
    747,715.56/1,031,851.67 = 425,425.65/x
  3. Step 3: Cross multiply
    747,715.56x = 1,031,851.67 × 425,425.65
  4. Step 4: Simplify right side
    747,715.56x = 438,976,167,413.34
  5. Step 5: Solve for x
    x = 438,976,167,413.34/747,715.56
  6. Step 6: Final answer
    x = 587,089.79

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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.