Home / 802,642.73-1,107,692.21-476,149.04

Finding the Fourth Proportional to 802,642.73, 1,107,692.21 and 476,149.04

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Solution

The fourth proportional to 802,642.73, 1,107,692.21 and 476,149.04 is: 657,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,642.73 : 1,107,692.21 = 476,149.04 : x
  2. Step 2: Convert to fraction form
    802,642.73/1,107,692.21 = 476,149.04/x
  3. Step 3: Cross multiply
    802,642.73x = 1,107,692.21 × 476,149.04
  4. Step 4: Simplify right side
    802,642.73x = 527,426,574,487.77
  5. Step 5: Solve for x
    x = 527,426,574,487.77/802,642.73
  6. Step 6: Final answer
    x = 657,112.51

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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.