Home / 971,974.65-1,341,299.13-542,243.73

Finding the Fourth Proportional to 971,974.65, 1,341,299.13 and 542,243.73

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Solution

The fourth proportional to 971,974.65, 1,341,299.13 and 542,243.73 is: 748,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,974.65 : 1,341,299.13 = 542,243.73 : x
  2. Step 2: Convert to fraction form
    971,974.65/1,341,299.13 = 542,243.73/x
  3. Step 3: Cross multiply
    971,974.65x = 1,341,299.13 × 542,243.73
  4. Step 4: Simplify right side
    971,974.65x = 727,311,043,296.96
  5. Step 5: Solve for x
    x = 727,311,043,296.96/971,974.65
  6. Step 6: Final answer
    x = 748,281.91

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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.