Home / 976,938.60-1,465,641.18-408,002.70

Finding the Fourth Proportional to 976,938.60, 1,465,641.18 and 408,002.70

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Solution

The fourth proportional to 976,938.60, 1,465,641.18 and 408,002.70 is: 612,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,938.60 : 1,465,641.18 = 408,002.70 : x
  2. Step 2: Convert to fraction form
    976,938.60/1,465,641.18 = 408,002.70/x
  3. Step 3: Cross multiply
    976,938.60x = 1,465,641.18 × 408,002.70
  4. Step 4: Simplify right side
    976,938.60x = 597,985,558,671.19
  5. Step 5: Solve for x
    x = 597,985,558,671.19/976,938.60
  6. Step 6: Final answer
    x = 612,101.48

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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.