Home / 971,980.57-1,341,307.20-542,249.65

Finding the Fourth Proportional to 971,980.57, 1,341,307.20 and 542,249.65

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Solution

The fourth proportional to 971,980.57, 1,341,307.20 and 542,249.65 is: 748,290.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,980.57 : 1,341,307.20 = 542,249.65 : x
  2. Step 2: Convert to fraction form
    971,980.57/1,341,307.20 = 542,249.65/x
  3. Step 3: Cross multiply
    971,980.57x = 1,341,307.20 × 542,249.65
  4. Step 4: Simplify right side
    971,980.57x = 727,323,359,742.48
  5. Step 5: Solve for x
    x = 727,323,359,742.48/971,980.57
  6. Step 6: Final answer
    x = 748,290.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.