Home / 971,879.67-1,341,230.49-542,242.85

Finding the Fourth Proportional to 971,879.67, 1,341,230.49 and 542,242.85

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Solution

The fourth proportional to 971,879.67, 1,341,230.49 and 542,242.85 is: 748,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,879.67 : 1,341,230.49 = 542,242.85 : x
  2. Step 2: Convert to fraction form
    971,879.67/1,341,230.49 = 542,242.85/x
  3. Step 3: Cross multiply
    971,879.67x = 1,341,230.49 × 542,242.85
  4. Step 4: Simplify right side
    971,879.67x = 727,272,636,698.34
  5. Step 5: Solve for x
    x = 727,272,636,698.34/971,879.67
  6. Step 6: Final answer
    x = 748,315.52

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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.