Home / 729,989.40-1,094,508.90-655,339.80

Finding the Fourth Proportional to 729,989.40, 1,094,508.90 and 655,339.80

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Solution

The fourth proportional to 729,989.40, 1,094,508.90 and 655,339.80 is: 982,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,989.40 : 1,094,508.90 = 655,339.80 : x
  2. Step 2: Convert to fraction form
    729,989.40/1,094,508.90 = 655,339.80/x
  3. Step 3: Cross multiply
    729,989.40x = 1,094,508.90 × 655,339.80
  4. Step 4: Simplify right side
    729,989.40x = 717,275,243,624.22
  5. Step 5: Solve for x
    x = 717,275,243,624.22/729,989.40
  6. Step 6: Final answer
    x = 982,583.09

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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.