Home / 609,138.07-840,617.18-337,210.50

Finding the Fourth Proportional to 609,138.07, 840,617.18 and 337,210.50

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Solution

The fourth proportional to 609,138.07, 840,617.18 and 337,210.50 is: 465,354.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,138.07 : 840,617.18 = 337,210.50 : x
  2. Step 2: Convert to fraction form
    609,138.07/840,617.18 = 337,210.50/x
  3. Step 3: Cross multiply
    609,138.07x = 840,617.18 × 337,210.50
  4. Step 4: Simplify right side
    609,138.07x = 283,464,940,419.42
  5. Step 5: Solve for x
    x = 283,464,940,419.42/609,138.07
  6. Step 6: Final answer
    x = 465,354.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.