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Finding the Fourth Proportional to 575,832.30, 794,693.62 and 317,760.46

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Solution

The fourth proportional to 575,832.30, 794,693.62 and 317,760.46 is: 438,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,832.30 : 794,693.62 = 317,760.46 : x
  2. Step 2: Convert to fraction form
    575,832.30/794,693.62 = 317,760.46/x
  3. Step 3: Cross multiply
    575,832.30x = 794,693.62 × 317,760.46
  4. Step 4: Simplify right side
    575,832.30x = 252,522,210,250.27
  5. Step 5: Solve for x
    x = 252,522,210,250.27/575,832.30
  6. Step 6: Final answer
    x = 438,534.29

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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.