Home / 915,294.74-1,371,988.94-307,631.93

Finding the Fourth Proportional to 915,294.74, 1,371,988.94 and 307,631.93

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Solution

The fourth proportional to 915,294.74, 1,371,988.94 and 307,631.93 is: 461,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,294.74 : 1,371,988.94 = 307,631.93 : x
  2. Step 2: Convert to fraction form
    915,294.74/1,371,988.94 = 307,631.93/x
  3. Step 3: Cross multiply
    915,294.74x = 1,371,988.94 × 307,631.93
  4. Step 4: Simplify right side
    915,294.74x = 422,067,597,152.75
  5. Step 5: Solve for x
    x = 422,067,597,152.75/915,294.74
  6. Step 6: Final answer
    x = 461,127.53

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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.