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Finding the Fourth Proportional to 573,319.44, 791,116.54 and 343,886.06

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Solution

The fourth proportional to 573,319.44, 791,116.54 and 343,886.06 is: 474,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,319.44 : 791,116.54 = 343,886.06 : x
  2. Step 2: Convert to fraction form
    573,319.44/791,116.54 = 343,886.06/x
  3. Step 3: Cross multiply
    573,319.44x = 791,116.54 × 343,886.06
  4. Step 4: Simplify right side
    573,319.44x = 272,053,949,941.43
  5. Step 5: Solve for x
    x = 272,053,949,941.43/573,319.44
  6. Step 6: Final answer
    x = 474,524.20

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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.