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Finding the Fourth Proportional to 575,479.89, 794,151.77 and 317,380.71

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Solution

The fourth proportional to 575,479.89, 794,151.77 and 317,380.71 is: 437,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,479.89 : 794,151.77 = 317,380.71 : x
  2. Step 2: Convert to fraction form
    575,479.89/794,151.77 = 317,380.71/x
  3. Step 3: Cross multiply
    575,479.89x = 794,151.77 × 317,380.71
  4. Step 4: Simplify right side
    575,479.89x = 252,048,451,023.45
  5. Step 5: Solve for x
    x = 252,048,451,023.45/575,479.89
  6. Step 6: Final answer
    x = 437,979.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.