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Finding the Fourth Proportional to 613,265.10, 920,444.40 and 360,229.20

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Solution

The fourth proportional to 613,265.10, 920,444.40 and 360,229.20 is: 540,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,265.10 : 920,444.40 = 360,229.20 : x
  2. Step 2: Convert to fraction form
    613,265.10/920,444.40 = 360,229.20/x
  3. Step 3: Cross multiply
    613,265.10x = 920,444.40 × 360,229.20
  4. Step 4: Simplify right side
    613,265.10x = 331,570,949,856.48
  5. Step 5: Solve for x
    x = 331,570,949,856.48/613,265.10
  6. Step 6: Final answer
    x = 540,664.96

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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.