Home / 439,642.24-606,385.92-278,523.52

Finding the Fourth Proportional to 439,642.24, 606,385.92 and 278,523.52

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Solution

The fourth proportional to 439,642.24, 606,385.92 and 278,523.52 is: 384,159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,642.24 : 606,385.92 = 278,523.52 : x
  2. Step 2: Convert to fraction form
    439,642.24/606,385.92 = 278,523.52/x
  3. Step 3: Cross multiply
    439,642.24x = 606,385.92 × 278,523.52
  4. Step 4: Simplify right side
    439,642.24x = 168,892,740,916.84
  5. Step 5: Solve for x
    x = 168,892,740,916.84/439,642.24
  6. Step 6: Final answer
    x = 384,159.50

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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.