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Finding the Fourth Proportional to 597,988.56, 825,188.04 and 343,315.92

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Solution

The fourth proportional to 597,988.56, 825,188.04 and 343,315.92 is: 473,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,988.56 : 825,188.04 = 343,315.92 : x
  2. Step 2: Convert to fraction form
    597,988.56/825,188.04 = 343,315.92/x
  3. Step 3: Cross multiply
    597,988.56x = 825,188.04 × 343,315.92
  4. Step 4: Simplify right side
    597,988.56x = 283,300,191,125.60
  5. Step 5: Solve for x
    x = 283,300,191,125.60/597,988.56
  6. Step 6: Final answer
    x = 473,755.20

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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.