Home / 634,400.82-875,473.20-347,926.89

Finding the Fourth Proportional to 634,400.82, 875,473.20 and 347,926.89

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Solution

The fourth proportional to 634,400.82, 875,473.20 and 347,926.89 is: 480,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,400.82 : 875,473.20 = 347,926.89 : x
  2. Step 2: Convert to fraction form
    634,400.82/875,473.20 = 347,926.89/x
  3. Step 3: Cross multiply
    634,400.82x = 875,473.20 × 347,926.89
  4. Step 4: Simplify right side
    634,400.82x = 304,600,667,754.35
  5. Step 5: Solve for x
    x = 304,600,667,754.35/634,400.82
  6. Step 6: Final answer
    x = 480,139.15

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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.