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Finding the Fourth Proportional to 580,031.63, 800,539.92 and 338,314.21

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Solution

The fourth proportional to 580,031.63, 800,539.92 and 338,314.21 is: 466,929.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,031.63 : 800,539.92 = 338,314.21 : x
  2. Step 2: Convert to fraction form
    580,031.63/800,539.92 = 338,314.21/x
  3. Step 3: Cross multiply
    580,031.63x = 800,539.92 × 338,314.21
  4. Step 4: Simplify right side
    580,031.63x = 270,834,026,605.56
  5. Step 5: Solve for x
    x = 270,834,026,605.56/580,031.63
  6. Step 6: Final answer
    x = 466,929.75

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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.