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Finding the Fourth Proportional to 887,614.60, 1,330,765.80 and 488,705.80

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Solution

The fourth proportional to 887,614.60, 1,330,765.80 and 488,705.80 is: 732,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,614.60 : 1,330,765.80 = 488,705.80 : x
  2. Step 2: Convert to fraction form
    887,614.60/1,330,765.80 = 488,705.80/x
  3. Step 3: Cross multiply
    887,614.60x = 1,330,765.80 × 488,705.80
  4. Step 4: Simplify right side
    887,614.60x = 650,352,964,901.64
  5. Step 5: Solve for x
    x = 650,352,964,901.64/887,614.60
  6. Step 6: Final answer
    x = 732,697.46

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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.