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Finding the Fourth Proportional to 637,243.38, 879,479.84 and 382,610.97

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Solution

The fourth proportional to 637,243.38, 879,479.84 and 382,610.97 is: 528,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,243.38 : 879,479.84 = 382,610.97 : x
  2. Step 2: Convert to fraction form
    637,243.38/879,479.84 = 382,610.97/x
  3. Step 3: Cross multiply
    637,243.38x = 879,479.84 × 382,610.97
  4. Step 4: Simplify right side
    637,243.38x = 336,498,634,677.85
  5. Step 5: Solve for x
    x = 336,498,634,677.85/637,243.38
  6. Step 6: Final answer
    x = 528,053.56

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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.