Home / 814,225.20-1,221,337.80-739,429.80

Finding the Fourth Proportional to 814,225.20, 1,221,337.80 and 739,429.80

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Solution

The fourth proportional to 814,225.20, 1,221,337.80 and 739,429.80 is: 1,109,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,225.20 : 1,221,337.80 = 739,429.80 : x
  2. Step 2: Convert to fraction form
    814,225.20/1,221,337.80 = 739,429.80/x
  3. Step 3: Cross multiply
    814,225.20x = 1,221,337.80 × 739,429.80
  4. Step 4: Simplify right side
    814,225.20x = 903,093,565,186.44
  5. Step 5: Solve for x
    x = 903,093,565,186.44/814,225.20
  6. Step 6: Final answer
    x = 1,109,144.70

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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.