Home / 976,938.80-1,465,408.20-577,373.90

Finding the Fourth Proportional to 976,938.80, 1,465,408.20 and 577,373.90

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Solution

The fourth proportional to 976,938.80, 1,465,408.20 and 577,373.90 is: 866,060.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,938.80 : 1,465,408.20 = 577,373.90 : x
  2. Step 2: Convert to fraction form
    976,938.80/1,465,408.20 = 577,373.90/x
  3. Step 3: Cross multiply
    976,938.80x = 1,465,408.20 × 577,373.90
  4. Step 4: Simplify right side
    976,938.80x = 846,088,447,525.98
  5. Step 5: Solve for x
    x = 846,088,447,525.98/976,938.80
  6. Step 6: Final answer
    x = 866,060.85

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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.