Home / 721,874.10-1,082,956.95-248,607.30

Finding the Fourth Proportional to 721,874.10, 1,082,956.95 and 248,607.30

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Solution

The fourth proportional to 721,874.10, 1,082,956.95 and 248,607.30 is: 372,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,874.10 : 1,082,956.95 = 248,607.30 : x
  2. Step 2: Convert to fraction form
    721,874.10/1,082,956.95 = 248,607.30/x
  3. Step 3: Cross multiply
    721,874.10x = 1,082,956.95 × 248,607.30
  4. Step 4: Simplify right side
    721,874.10x = 269,231,003,355.74
  5. Step 5: Solve for x
    x = 269,231,003,355.74/721,874.10
  6. Step 6: Final answer
    x = 372,961.16

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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.