Home / 609,765.03-915,209.01-310,459.50

Finding the Fourth Proportional to 609,765.03, 915,209.01 and 310,459.50

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Solution

The fourth proportional to 609,765.03, 915,209.01 and 310,459.50 is: 465,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,765.03 : 915,209.01 = 310,459.50 : x
  2. Step 2: Convert to fraction form
    609,765.03/915,209.01 = 310,459.50/x
  3. Step 3: Cross multiply
    609,765.03x = 915,209.01 × 310,459.50
  4. Step 4: Simplify right side
    609,765.03x = 284,135,331,640.10
  5. Step 5: Solve for x
    x = 284,135,331,640.10/609,765.03
  6. Step 6: Final answer
    x = 465,975.12

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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.