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Finding the Fourth Proportional to 487,925.60, 730,851.60 and 404,981.60

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Solution

The fourth proportional to 487,925.60, 730,851.60 and 404,981.60 is: 606,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,925.60 : 730,851.60 = 404,981.60 : x
  2. Step 2: Convert to fraction form
    487,925.60/730,851.60 = 404,981.60/x
  3. Step 3: Cross multiply
    487,925.60x = 730,851.60 × 404,981.60
  4. Step 4: Simplify right side
    487,925.60x = 295,981,450,330.56
  5. Step 5: Solve for x
    x = 295,981,450,330.56/487,925.60
  6. Step 6: Final answer
    x = 606,611.85

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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.