Home / 882,922.20-1,218,390.90-490,480.44

Finding the Fourth Proportional to 882,922.20, 1,218,390.90 and 490,480.44

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Solution

The fourth proportional to 882,922.20, 1,218,390.90 and 490,480.44 is: 676,839.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,922.20 : 1,218,390.90 = 490,480.44 : x
  2. Step 2: Convert to fraction form
    882,922.20/1,218,390.90 = 490,480.44/x
  3. Step 3: Cross multiply
    882,922.20x = 1,218,390.90 × 490,480.44
  4. Step 4: Simplify right side
    882,922.20x = 597,596,904,724.00
  5. Step 5: Solve for x
    x = 597,596,904,724.00/882,922.20
  6. Step 6: Final answer
    x = 676,839.82

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1.5x scale

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.