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Finding the Fourth Proportional to 634,012.56, 875,027.04 and 392,373.04

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Solution

The fourth proportional to 634,012.56, 875,027.04 and 392,373.04 is: 541,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,012.56 : 875,027.04 = 392,373.04 : x
  2. Step 2: Convert to fraction form
    634,012.56/875,027.04 = 392,373.04/x
  3. Step 3: Cross multiply
    634,012.56x = 875,027.04 × 392,373.04
  4. Step 4: Simplify right side
    634,012.56x = 343,337,019,767.00
  5. Step 5: Solve for x
    x = 343,337,019,767.00/634,012.56
  6. Step 6: Final answer
    x = 541,530.31

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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.