Home / 488,122.91-672,916.31-358,833.24

Finding the Fourth Proportional to 488,122.91, 672,916.31 and 358,833.24

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Solution

The fourth proportional to 488,122.91, 672,916.31 and 358,833.24 is: 494,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,122.91 : 672,916.31 = 358,833.24 : x
  2. Step 2: Convert to fraction form
    488,122.91/672,916.31 = 358,833.24/x
  3. Step 3: Cross multiply
    488,122.91x = 672,916.31 × 358,833.24
  4. Step 4: Simplify right side
    488,122.91x = 241,464,739,317.60
  5. Step 5: Solve for x
    x = 241,464,739,317.60/488,122.91
  6. Step 6: Final answer
    x = 494,680.20

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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.