Home / 985,199.71-1,359,652.62-549,753.97

Finding the Fourth Proportional to 985,199.71, 1,359,652.62 and 549,753.97

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Solution

The fourth proportional to 985,199.71, 1,359,652.62 and 549,753.97 is: 758,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,199.71 : 1,359,652.62 = 549,753.97 : x
  2. Step 2: Convert to fraction form
    985,199.71/1,359,652.62 = 549,753.97/x
  3. Step 3: Cross multiply
    985,199.71x = 1,359,652.62 × 549,753.97
  4. Step 4: Simplify right side
    985,199.71x = 747,474,425,665.90
  5. Step 5: Solve for x
    x = 747,474,425,665.90/985,199.71
  6. Step 6: Final answer
    x = 758,703.46

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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.