Home / 649,385.29-896,149.08-362,905.30

Finding the Fourth Proportional to 649,385.29, 896,149.08 and 362,905.30

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Solution

The fourth proportional to 649,385.29, 896,149.08 and 362,905.30 is: 500,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,385.29 : 896,149.08 = 362,905.30 : x
  2. Step 2: Convert to fraction form
    649,385.29/896,149.08 = 362,905.30/x
  3. Step 3: Cross multiply
    649,385.29x = 896,149.08 × 362,905.30
  4. Step 4: Simplify right side
    649,385.29x = 325,217,250,722.12
  5. Step 5: Solve for x
    x = 325,217,250,722.12/649,385.29
  6. Step 6: Final answer
    x = 500,807.85

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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.