Home / 744,319.90-1,027,159.68-404,788.42

Finding the Fourth Proportional to 744,319.90, 1,027,159.68 and 404,788.42

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Solution

The fourth proportional to 744,319.90, 1,027,159.68 and 404,788.42 is: 558,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,319.90 : 1,027,159.68 = 404,788.42 : x
  2. Step 2: Convert to fraction form
    744,319.90/1,027,159.68 = 404,788.42/x
  3. Step 3: Cross multiply
    744,319.90x = 1,027,159.68 × 404,788.42
  4. Step 4: Simplify right side
    744,319.90x = 415,782,343,954.91
  5. Step 5: Solve for x
    x = 415,782,343,954.91/744,319.90
  6. Step 6: Final answer
    x = 558,607.05

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1.5x scale

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.