Home / 498,416.64-747,743.04-198,913.92

Finding the Fourth Proportional to 498,416.64, 747,743.04 and 198,913.92

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Solution

The fourth proportional to 498,416.64, 747,743.04 and 198,913.92 is: 298,418.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,416.64 : 747,743.04 = 198,913.92 : x
  2. Step 2: Convert to fraction form
    498,416.64/747,743.04 = 198,913.92/x
  3. Step 3: Cross multiply
    498,416.64x = 747,743.04 × 198,913.92
  4. Step 4: Simplify right side
    498,416.64x = 148,736,499,239.12
  5. Step 5: Solve for x
    x = 148,736,499,239.12/498,416.64
  6. Step 6: Final answer
    x = 298,418.00

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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.