Home / 915,974.35-1,374,020.33-242,038.43

Finding the Fourth Proportional to 915,974.35, 1,374,020.33 and 242,038.43

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Solution

The fourth proportional to 915,974.35, 1,374,020.33 and 242,038.43 is: 363,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,974.35 : 1,374,020.33 = 242,038.43 : x
  2. Step 2: Convert to fraction form
    915,974.35/1,374,020.33 = 242,038.43/x
  3. Step 3: Cross multiply
    915,974.35x = 1,374,020.33 × 242,038.43
  4. Step 4: Simplify right side
    915,974.35x = 332,565,723,461.28
  5. Step 5: Solve for x
    x = 332,565,723,461.28/915,974.35
  6. Step 6: Final answer
    x = 363,073.18

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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.