Home / 725,098.30-1,087,215.45-444,816.70

Finding the Fourth Proportional to 725,098.30, 1,087,215.45 and 444,816.70

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Solution

The fourth proportional to 725,098.30, 1,087,215.45 and 444,816.70 is: 666,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,098.30 : 1,087,215.45 = 444,816.70 : x
  2. Step 2: Convert to fraction form
    725,098.30/1,087,215.45 = 444,816.70/x
  3. Step 3: Cross multiply
    725,098.30x = 1,087,215.45 × 444,816.70
  4. Step 4: Simplify right side
    725,098.30x = 483,611,588,658.02
  5. Step 5: Solve for x
    x = 483,611,588,658.02/725,098.30
  6. Step 6: Final answer
    x = 666,960.04

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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.