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Finding the Fourth Proportional to 655,914.64, 982,835.70 and 495,230.08

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Solution

The fourth proportional to 655,914.64, 982,835.70 and 495,230.08 is: 742,062.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,914.64 : 982,835.70 = 495,230.08 : x
  2. Step 2: Convert to fraction form
    655,914.64/982,835.70 = 495,230.08/x
  3. Step 3: Cross multiply
    655,914.64x = 982,835.70 × 495,230.08
  4. Step 4: Simplify right side
    655,914.64x = 486,729,802,337.86
  5. Step 5: Solve for x
    x = 486,729,802,337.86/655,914.64
  6. Step 6: Final answer
    x = 742,062.72

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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.