Home / 816,818.38-1,127,044.11-477,221.02

Finding the Fourth Proportional to 816,818.38, 1,127,044.11 and 477,221.02

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Solution

The fourth proportional to 816,818.38, 1,127,044.11 and 477,221.02 is: 658,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,818.38 : 1,127,044.11 = 477,221.02 : x
  2. Step 2: Convert to fraction form
    816,818.38/1,127,044.11 = 477,221.02/x
  3. Step 3: Cross multiply
    816,818.38x = 1,127,044.11 × 477,221.02
  4. Step 4: Simplify right side
    816,818.38x = 537,849,139,759.19
  5. Step 5: Solve for x
    x = 537,849,139,759.19/816,818.38
  6. Step 6: Final answer
    x = 658,468.46

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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.