Home / 816,818.88-1,127,044.80-477,221.52

Finding the Fourth Proportional to 816,818.88, 1,127,044.80 and 477,221.52

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Solution

The fourth proportional to 816,818.88, 1,127,044.80 and 477,221.52 is: 658,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,818.88 : 1,127,044.80 = 477,221.52 : x
  2. Step 2: Convert to fraction form
    816,818.88/1,127,044.80 = 477,221.52/x
  3. Step 3: Cross multiply
    816,818.88x = 1,127,044.80 × 477,221.52
  4. Step 4: Simplify right side
    816,818.88x = 537,850,032,564.10
  5. Step 5: Solve for x
    x = 537,850,032,564.10/816,818.88
  6. Step 6: Final answer
    x = 658,469.15

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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.