Home / 691,029.28-1,034,327.76-370,381.12

Finding the Fourth Proportional to 691,029.28, 1,034,327.76 and 370,381.12

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Solution

The fourth proportional to 691,029.28, 1,034,327.76 and 370,381.12 is: 554,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,029.28 : 1,034,327.76 = 370,381.12 : x
  2. Step 2: Convert to fraction form
    691,029.28/1,034,327.76 = 370,381.12/x
  3. Step 3: Cross multiply
    691,029.28x = 1,034,327.76 × 370,381.12
  4. Step 4: Simplify right side
    691,029.28x = 383,095,474,195.89
  5. Step 5: Solve for x
    x = 383,095,474,195.89/691,029.28
  6. Step 6: Final answer
    x = 554,383.85

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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.