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Finding the Fourth Proportional to 609,420.38, 914,215.59 and 254,353.10

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Solution

The fourth proportional to 609,420.38, 914,215.59 and 254,353.10 is: 381,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,420.38 : 914,215.59 = 254,353.10 : x
  2. Step 2: Convert to fraction form
    609,420.38/914,215.59 = 254,353.10/x
  3. Step 3: Cross multiply
    609,420.38x = 914,215.59 × 254,353.10
  4. Step 4: Simplify right side
    609,420.38x = 232,533,564,813.75
  5. Step 5: Solve for x
    x = 232,533,564,813.75/609,420.38
  6. Step 6: Final answer
    x = 381,565.13

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1.5x scale

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.