Home / 898,489.30-1,348,154.81-442,832.14

Finding the Fourth Proportional to 898,489.30, 1,348,154.81 and 442,832.14

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Solution

The fourth proportional to 898,489.30, 1,348,154.81 and 442,832.14 is: 664,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,489.30 : 1,348,154.81 = 442,832.14 : x
  2. Step 2: Convert to fraction form
    898,489.30/1,348,154.81 = 442,832.14/x
  3. Step 3: Cross multiply
    898,489.30x = 1,348,154.81 × 442,832.14
  4. Step 4: Simplify right side
    898,489.30x = 597,006,272,822.82
  5. Step 5: Solve for x
    x = 597,006,272,822.82/898,489.30
  6. Step 6: Final answer
    x = 664,455.63

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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.