Home / 891,775.70-1,337,664.48-418,461.52

Finding the Fourth Proportional to 891,775.70, 1,337,664.48 and 418,461.52

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Solution

The fourth proportional to 891,775.70, 1,337,664.48 and 418,461.52 is: 627,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,775.70 : 1,337,664.48 = 418,461.52 : x
  2. Step 2: Convert to fraction form
    891,775.70/1,337,664.48 = 418,461.52/x
  3. Step 3: Cross multiply
    891,775.70x = 1,337,664.48 × 418,461.52
  4. Step 4: Simplify right side
    891,775.70x = 559,761,105,383.36
  5. Step 5: Solve for x
    x = 559,761,105,383.36/891,775.70
  6. Step 6: Final answer
    x = 627,692.71

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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.