Home / 671,642.20-1,007,463.30-632,243.80

Finding the Fourth Proportional to 671,642.20, 1,007,463.30 and 632,243.80

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Solution

The fourth proportional to 671,642.20, 1,007,463.30 and 632,243.80 is: 948,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,642.20 : 1,007,463.30 = 632,243.80 : x
  2. Step 2: Convert to fraction form
    671,642.20/1,007,463.30 = 632,243.80/x
  3. Step 3: Cross multiply
    671,642.20x = 1,007,463.30 × 632,243.80
  4. Step 4: Simplify right side
    671,642.20x = 636,962,425,152.54
  5. Step 5: Solve for x
    x = 636,962,425,152.54/671,642.20
  6. Step 6: Final answer
    x = 948,365.70

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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.