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Finding the Fourth Proportional to 649,387.52, 896,158.10 and 362,912.40

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Solution

The fourth proportional to 649,387.52, 896,158.10 and 362,912.40 is: 500,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,387.52 : 896,158.10 = 362,912.40 : x
  2. Step 2: Convert to fraction form
    649,387.52/896,158.10 = 362,912.40/x
  3. Step 3: Cross multiply
    649,387.52x = 896,158.10 × 362,912.40
  4. Step 4: Simplify right side
    649,387.52x = 325,226,886,850.44
  5. Step 5: Solve for x
    x = 325,226,886,850.44/649,387.52
  6. Step 6: Final answer
    x = 500,820.97

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1.5x scale

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.