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Finding the Fourth Proportional to 575,874.80, 794,701.80 and 317,754.08

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Solution

The fourth proportional to 575,874.80, 794,701.80 and 317,754.08 is: 438,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,874.80 : 794,701.80 = 317,754.08 : x
  2. Step 2: Convert to fraction form
    575,874.80/794,701.80 = 317,754.08/x
  3. Step 3: Cross multiply
    575,874.80x = 794,701.80 × 317,754.08
  4. Step 4: Simplify right side
    575,874.80x = 252,519,739,333.34
  5. Step 5: Solve for x
    x = 252,519,739,333.34/575,874.80
  6. Step 6: Final answer
    x = 438,497.64

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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.