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Finding the Fourth Proportional to 372,440.52, 558,450 and 340,701.48

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Solution

The fourth proportional to 372,440.52, 558,450 and 340,701.48 is: 510,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,440.52 : 558,450 = 340,701.48 : x
  2. Step 2: Convert to fraction form
    372,440.52/558,450 = 340,701.48/x
  3. Step 3: Cross multiply
    372,440.52x = 558,450 × 340,701.48
  4. Step 4: Simplify right side
    372,440.52x = 190,264,741,506
  5. Step 5: Solve for x
    x = 190,264,741,506/372,440.52
  6. Step 6: Final answer
    x = 510,859.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.