Home / 609,819.48-915,567.10-310,501.18

Finding the Fourth Proportional to 609,819.48, 915,567.10 and 310,501.18

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Solution

The fourth proportional to 609,819.48, 915,567.10 and 310,501.18 is: 466,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,819.48 : 915,567.10 = 310,501.18 : x
  2. Step 2: Convert to fraction form
    609,819.48/915,567.10 = 310,501.18/x
  3. Step 3: Cross multiply
    609,819.48x = 915,567.10 × 310,501.18
  4. Step 4: Simplify right side
    609,819.48x = 284,284,664,919.18
  5. Step 5: Solve for x
    x = 284,284,664,919.18/609,819.48
  6. Step 6: Final answer
    x = 466,178.39

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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.