Home / 609,819.49-915,567.12-310,501.18

Finding the Fourth Proportional to 609,819.49, 915,567.12 and 310,501.18

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Solution

The fourth proportional to 609,819.49, 915,567.12 and 310,501.18 is: 466,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,819.49 : 915,567.12 = 310,501.18 : x
  2. Step 2: Convert to fraction form
    609,819.49/915,567.12 = 310,501.18/x
  3. Step 3: Cross multiply
    609,819.49x = 915,567.12 × 310,501.18
  4. Step 4: Simplify right side
    609,819.49x = 284,284,671,129.20
  5. Step 5: Solve for x
    x = 284,284,671,129.20/609,819.49
  6. Step 6: Final answer
    x = 466,178.40

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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.