Home / 709,340.55-1,064,578.24-372,579.80

Finding the Fourth Proportional to 709,340.55, 1,064,578.24 and 372,579.80

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Solution

The fourth proportional to 709,340.55, 1,064,578.24 and 372,579.80 is: 559,167.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,340.55 : 1,064,578.24 = 372,579.80 : x
  2. Step 2: Convert to fraction form
    709,340.55/1,064,578.24 = 372,579.80/x
  3. Step 3: Cross multiply
    709,340.55x = 1,064,578.24 × 372,579.80
  4. Step 4: Simplify right side
    709,340.55x = 396,640,348,874.64
  5. Step 5: Solve for x
    x = 396,640,348,874.64/709,340.55
  6. Step 6: Final answer
    x = 559,167.73

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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.