Home / 729,006.40-1,093,034.40-654,356.80

Finding the Fourth Proportional to 729,006.40, 1,093,034.40 and 654,356.80

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Solution

The fourth proportional to 729,006.40, 1,093,034.40 and 654,356.80 is: 981,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,006.40 : 1,093,034.40 = 654,356.80 : x
  2. Step 2: Convert to fraction form
    729,006.40/1,093,034.40 = 654,356.80/x
  3. Step 3: Cross multiply
    729,006.40x = 1,093,034.40 × 654,356.80
  4. Step 4: Simplify right side
    729,006.40x = 715,234,492,273.92
  5. Step 5: Solve for x
    x = 715,234,492,273.92/729,006.40
  6. Step 6: Final answer
    x = 981,108.66

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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.