Home / 722,468.78-1,083,487.11-453,006.21

Finding the Fourth Proportional to 722,468.78, 1,083,487.11 and 453,006.21

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Solution

The fourth proportional to 722,468.78, 1,083,487.11 and 453,006.21 is: 679,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,468.78 : 1,083,487.11 = 453,006.21 : x
  2. Step 2: Convert to fraction form
    722,468.78/1,083,487.11 = 453,006.21/x
  3. Step 3: Cross multiply
    722,468.78x = 1,083,487.11 × 453,006.21
  4. Step 4: Simplify right side
    722,468.78x = 490,826,385,000.03
  5. Step 5: Solve for x
    x = 490,826,385,000.03/722,468.78
  6. Step 6: Final answer
    x = 679,373.83

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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.