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Finding the Fourth Proportional to 634,463.80, 875,592.12 and 348,010.54

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Solution

The fourth proportional to 634,463.80, 875,592.12 and 348,010.54 is: 480,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,463.80 : 875,592.12 = 348,010.54 : x
  2. Step 2: Convert to fraction form
    634,463.80/875,592.12 = 348,010.54/x
  3. Step 3: Cross multiply
    634,463.80x = 875,592.12 × 348,010.54
  4. Step 4: Simplify right side
    634,463.80x = 304,715,286,500.95
  5. Step 5: Solve for x
    x = 304,715,286,500.95/634,463.80
  6. Step 6: Final answer
    x = 480,272.14

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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.