Home / 820,238.40-1,229,205.60-652,046.40

Finding the Fourth Proportional to 820,238.40, 1,229,205.60 and 652,046.40

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Solution

The fourth proportional to 820,238.40, 1,229,205.60 and 652,046.40 is: 977,153.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,238.40 : 1,229,205.60 = 652,046.40 : x
  2. Step 2: Convert to fraction form
    820,238.40/1,229,205.60 = 652,046.40/x
  3. Step 3: Cross multiply
    820,238.40x = 1,229,205.60 × 652,046.40
  4. Step 4: Simplify right side
    820,238.40x = 801,499,086,339.84
  5. Step 5: Solve for x
    x = 801,499,086,339.84/820,238.40
  6. Step 6: Final answer
    x = 977,153.82

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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.