Home / 770,621.10-1,063,414.32-431,023.74

Finding the Fourth Proportional to 770,621.10, 1,063,414.32 and 431,023.74

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Solution

The fourth proportional to 770,621.10, 1,063,414.32 and 431,023.74 is: 594,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,621.10 : 1,063,414.32 = 431,023.74 : x
  2. Step 2: Convert to fraction form
    770,621.10/1,063,414.32 = 431,023.74/x
  3. Step 3: Cross multiply
    770,621.10x = 1,063,414.32 × 431,023.74
  4. Step 4: Simplify right side
    770,621.10x = 458,356,817,375.96
  5. Step 5: Solve for x
    x = 458,356,817,375.96/770,621.10
  6. Step 6: Final answer
    x = 594,788.82

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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.