Home / 433,605.03-649,565.96-319,545.69

Finding the Fourth Proportional to 433,605.03, 649,565.96 and 319,545.69

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Solution

The fourth proportional to 433,605.03, 649,565.96 and 319,545.69 is: 478,698.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,605.03 : 649,565.96 = 319,545.69 : x
  2. Step 2: Convert to fraction form
    433,605.03/649,565.96 = 319,545.69/x
  3. Step 3: Cross multiply
    433,605.03x = 649,565.96 × 319,545.69
  4. Step 4: Simplify right side
    433,605.03x = 207,566,001,290.98
  5. Step 5: Solve for x
    x = 207,566,001,290.98/433,605.03
  6. Step 6: Final answer
    x = 478,698.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.