Home / 705,432.80-1,058,840.40-350,847.20

Finding the Fourth Proportional to 705,432.80, 1,058,840.40 and 350,847.20

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Solution

The fourth proportional to 705,432.80, 1,058,840.40 and 350,847.20 is: 526,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,432.80 : 1,058,840.40 = 350,847.20 : x
  2. Step 2: Convert to fraction form
    705,432.80/1,058,840.40 = 350,847.20/x
  3. Step 3: Cross multiply
    705,432.80x = 1,058,840.40 × 350,847.20
  4. Step 4: Simplify right side
    705,432.80x = 371,491,189,586.88
  5. Step 5: Solve for x
    x = 371,491,189,586.88/705,432.80
  6. Step 6: Final answer
    x = 526,614.57

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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.