Home / 853,963.68-1,178,530.92-471,982.20

Finding the Fourth Proportional to 853,963.68, 1,178,530.92 and 471,982.20

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Solution

The fourth proportional to 853,963.68, 1,178,530.92 and 471,982.20 is: 651,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,963.68 : 1,178,530.92 = 471,982.20 : x
  2. Step 2: Convert to fraction form
    853,963.68/1,178,530.92 = 471,982.20/x
  3. Step 3: Cross multiply
    853,963.68x = 1,178,530.92 × 471,982.20
  4. Step 4: Simplify right side
    853,963.68x = 556,245,616,389.62
  5. Step 5: Solve for x
    x = 556,245,616,389.62/853,963.68
  6. Step 6: Final answer
    x = 651,369.17

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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.