Home / 609,815.48-915,561.11-310,497.18

Finding the Fourth Proportional to 609,815.48, 915,561.11 and 310,497.18

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Solution

The fourth proportional to 609,815.48, 915,561.11 and 310,497.18 is: 466,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,815.48 : 915,561.11 = 310,497.18 : x
  2. Step 2: Convert to fraction form
    609,815.48/915,561.11 = 310,497.18/x
  3. Step 3: Cross multiply
    609,815.48x = 915,561.11 × 310,497.18
  4. Step 4: Simplify right side
    609,815.48x = 284,279,141,220.18
  5. Step 5: Solve for x
    x = 284,279,141,220.18/609,815.48
  6. Step 6: Final answer
    x = 466,172.40

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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.