Home / 433,543.30-649,473.34-319,484.07

Finding the Fourth Proportional to 433,543.30, 649,473.34 and 319,484.07

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Solution

The fourth proportional to 433,543.30, 649,473.34 and 319,484.07 is: 478,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,543.30 : 649,473.34 = 319,484.07 : x
  2. Step 2: Convert to fraction form
    433,543.30/649,473.34 = 319,484.07/x
  3. Step 3: Cross multiply
    433,543.30x = 649,473.34 × 319,484.07
  4. Step 4: Simplify right side
    433,543.30x = 207,496,386,019.69
  5. Step 5: Solve for x
    x = 207,496,386,019.69/433,543.30
  6. Step 6: Final answer
    x = 478,605.91

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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.