Home / 971,976.54-1,341,301.74-542,245.62

Finding the Fourth Proportional to 971,976.54, 1,341,301.74 and 542,245.62

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Solution

The fourth proportional to 971,976.54, 1,341,301.74 and 542,245.62 is: 748,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,976.54 : 1,341,301.74 = 542,245.62 : x
  2. Step 2: Convert to fraction form
    971,976.54/1,341,301.74 = 542,245.62/x
  3. Step 3: Cross multiply
    971,976.54x = 1,341,301.74 × 542,245.62
  4. Step 4: Simplify right side
    971,976.54x = 727,314,993,613.38
  5. Step 5: Solve for x
    x = 727,314,993,613.38/971,976.54
  6. Step 6: Final answer
    x = 748,284.51

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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.