Home / 802,294.16-1,107,115.72-439,692.28

Finding the Fourth Proportional to 802,294.16, 1,107,115.72 and 439,692.28

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Solution

The fourth proportional to 802,294.16, 1,107,115.72 and 439,692.28 is: 606,747.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,294.16 : 1,107,115.72 = 439,692.28 : x
  2. Step 2: Convert to fraction form
    802,294.16/1,107,115.72 = 439,692.28/x
  3. Step 3: Cross multiply
    802,294.16x = 1,107,115.72 × 439,692.28
  4. Step 4: Simplify right side
    802,294.16x = 486,790,231,283.62
  5. Step 5: Solve for x
    x = 486,790,231,283.62/802,294.16
  6. Step 6: Final answer
    x = 606,747.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.