Home / 959,165.10-1,438,436.15-319,296.96

Finding the Fourth Proportional to 959,165.10, 1,438,436.15 and 319,296.96

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Solution

The fourth proportional to 959,165.10, 1,438,436.15 and 319,296.96 is: 478,841.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,165.10 : 1,438,436.15 = 319,296.96 : x
  2. Step 2: Convert to fraction form
    959,165.10/1,438,436.15 = 319,296.96/x
  3. Step 3: Cross multiply
    959,165.10x = 1,438,436.15 × 319,296.96
  4. Step 4: Simplify right side
    959,165.10x = 459,288,289,849.10
  5. Step 5: Solve for x
    x = 459,288,289,849.10/959,165.10
  6. Step 6: Final answer
    x = 478,841.74

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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.