Home / 814,315.20-1,221,472.80-604,363.20

Finding the Fourth Proportional to 814,315.20, 1,221,472.80 and 604,363.20

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Solution

The fourth proportional to 814,315.20, 1,221,472.80 and 604,363.20 is: 906,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,315.20 : 1,221,472.80 = 604,363.20 : x
  2. Step 2: Convert to fraction form
    814,315.20/1,221,472.80 = 604,363.20/x
  3. Step 3: Cross multiply
    814,315.20x = 1,221,472.80 × 604,363.20
  4. Step 4: Simplify right side
    814,315.20x = 738,213,210,120.96
  5. Step 5: Solve for x
    x = 738,213,210,120.96/814,315.20
  6. Step 6: Final answer
    x = 906,544.80

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Double scale
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Similar ratio
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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.