Home / 711,212.20-1,065,327.90-332,456.20

Finding the Fourth Proportional to 711,212.20, 1,065,327.90 and 332,456.20

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Solution

The fourth proportional to 711,212.20, 1,065,327.90 and 332,456.20 is: 497,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,212.20 : 1,065,327.90 = 332,456.20 : x
  2. Step 2: Convert to fraction form
    711,212.20/1,065,327.90 = 332,456.20/x
  3. Step 3: Cross multiply
    711,212.20x = 1,065,327.90 × 332,456.20
  4. Step 4: Simplify right side
    711,212.20x = 354,174,865,387.98
  5. Step 5: Solve for x
    x = 354,174,865,387.98/711,212.20
  6. Step 6: Final answer
    x = 497,987.61

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Double scale
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1.5x scale

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.