Home / 976,624.80-1,465,801.20-576,765.60

Finding the Fourth Proportional to 976,624.80, 1,465,801.20 and 576,765.60

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Solution

The fourth proportional to 976,624.80, 1,465,801.20 and 576,765.60 is: 865,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,624.80 : 1,465,801.20 = 576,765.60 : x
  2. Step 2: Convert to fraction form
    976,624.80/1,465,801.20 = 576,765.60/x
  3. Step 3: Cross multiply
    976,624.80x = 1,465,801.20 × 576,765.60
  4. Step 4: Simplify right side
    976,624.80x = 845,423,708,598.72
  5. Step 5: Solve for x
    x = 845,423,708,598.72/976,624.80
  6. Step 6: Final answer
    x = 865,658.65

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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.