Home / 722,045.10-1,082,769.57-272,689.50

Finding the Fourth Proportional to 722,045.10, 1,082,769.57 and 272,689.50

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Solution

The fourth proportional to 722,045.10, 1,082,769.57 and 272,689.50 is: 408,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,045.10 : 1,082,769.57 = 272,689.50 : x
  2. Step 2: Convert to fraction form
    722,045.10/1,082,769.57 = 272,689.50/x
  3. Step 3: Cross multiply
    722,045.10x = 1,082,769.57 × 272,689.50
  4. Step 4: Simplify right side
    722,045.10x = 295,259,892,658.52
  5. Step 5: Solve for x
    x = 295,259,892,658.52/722,045.10
  6. Step 6: Final answer
    x = 408,921.68

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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.