Home / 744,819.50-1,027,842.27-405,281.90

Finding the Fourth Proportional to 744,819.50, 1,027,842.27 and 405,281.90

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Solution

The fourth proportional to 744,819.50, 1,027,842.27 and 405,281.90 is: 559,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,819.50 : 1,027,842.27 = 405,281.90 : x
  2. Step 2: Convert to fraction form
    744,819.50/1,027,842.27 = 405,281.90/x
  3. Step 3: Cross multiply
    744,819.50x = 1,027,842.27 × 405,281.90
  4. Step 4: Simplify right side
    744,819.50x = 416,565,868,085.91
  5. Step 5: Solve for x
    x = 416,565,868,085.91/744,819.50
  6. Step 6: Final answer
    x = 559,284.32

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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.