Home / 398,829.60-598,244.40-363,837.60

Finding the Fourth Proportional to 398,829.60, 598,244.40 and 363,837.60

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Solution

The fourth proportional to 398,829.60, 598,244.40 and 363,837.60 is: 545,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,829.60 : 598,244.40 = 363,837.60 : x
  2. Step 2: Convert to fraction form
    398,829.60/598,244.40 = 363,837.60/x
  3. Step 3: Cross multiply
    398,829.60x = 598,244.40 × 363,837.60
  4. Step 4: Simplify right side
    398,829.60x = 217,663,806,709.44
  5. Step 5: Solve for x
    x = 217,663,806,709.44/398,829.60
  6. Step 6: Final answer
    x = 545,756.40

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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.