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Finding the Fourth Proportional to 634,089.95, 875,077.67 and 347,622.11

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Solution

The fourth proportional to 634,089.95, 875,077.67 and 347,622.11 is: 479,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,089.95 : 875,077.67 = 347,622.11 : x
  2. Step 2: Convert to fraction form
    634,089.95/875,077.67 = 347,622.11/x
  3. Step 3: Cross multiply
    634,089.95x = 875,077.67 × 347,622.11
  4. Step 4: Simplify right side
    634,089.95x = 304,196,344,321.17
  5. Step 5: Solve for x
    x = 304,196,344,321.17/634,089.95
  6. Step 6: Final answer
    x = 479,736.90

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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.