Home / 853,843.31-1,178,330.87-466,650.24

Finding the Fourth Proportional to 853,843.31, 1,178,330.87 and 466,650.24

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Solution

The fourth proportional to 853,843.31, 1,178,330.87 and 466,650.24 is: 643,992.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,843.31 : 1,178,330.87 = 466,650.24 : x
  2. Step 2: Convert to fraction form
    853,843.31/1,178,330.87 = 466,650.24/x
  3. Step 3: Cross multiply
    853,843.31x = 1,178,330.87 × 466,650.24
  4. Step 4: Simplify right side
    853,843.31x = 549,868,384,451.53
  5. Step 5: Solve for x
    x = 549,868,384,451.53/853,843.31
  6. Step 6: Final answer
    x = 643,992.14

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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.