Home / 992,077.38-1,369,358.13-647,965.89

Finding the Fourth Proportional to 992,077.38, 1,369,358.13 and 647,965.89

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Solution

The fourth proportional to 992,077.38, 1,369,358.13 and 647,965.89 is: 894,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,077.38 : 1,369,358.13 = 647,965.89 : x
  2. Step 2: Convert to fraction form
    992,077.38/1,369,358.13 = 647,965.89/x
  3. Step 3: Cross multiply
    992,077.38x = 1,369,358.13 × 647,965.89
  4. Step 4: Simplify right side
    992,077.38x = 887,297,359,434.19
  5. Step 5: Solve for x
    x = 887,297,359,434.19/992,077.38
  6. Step 6: Final answer
    x = 894,383.22

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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.