Home / 724,288.30-1,086,000.45-444,006.70

Finding the Fourth Proportional to 724,288.30, 1,086,000.45 and 444,006.70

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Solution

The fourth proportional to 724,288.30, 1,086,000.45 and 444,006.70 is: 665,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,288.30 : 1,086,000.45 = 444,006.70 : x
  2. Step 2: Convert to fraction form
    724,288.30/1,086,000.45 = 444,006.70/x
  3. Step 3: Cross multiply
    724,288.30x = 1,086,000.45 × 444,006.70
  4. Step 4: Simplify right side
    724,288.30x = 482,191,476,003.02
  5. Step 5: Solve for x
    x = 482,191,476,003.02/724,288.30
  6. Step 6: Final answer
    x = 665,745.22

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1.5x scale

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.