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Finding the Fourth Proportional to 488,602.60, 732,903.90 and 418,618.60

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Solution

The fourth proportional to 488,602.60, 732,903.90 and 418,618.60 is: 627,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,602.60 : 732,903.90 = 418,618.60 : x
  2. Step 2: Convert to fraction form
    488,602.60/732,903.90 = 418,618.60/x
  3. Step 3: Cross multiply
    488,602.60x = 732,903.90 × 418,618.60
  4. Step 4: Simplify right side
    488,602.60x = 306,807,204,552.54
  5. Step 5: Solve for x
    x = 306,807,204,552.54/488,602.60
  6. Step 6: Final answer
    x = 627,927.90

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1.5x scale

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.