Home / 634,253.40-875,269.26-347,778.12

Finding the Fourth Proportional to 634,253.40, 875,269.26 and 347,778.12

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Solution

The fourth proportional to 634,253.40, 875,269.26 and 347,778.12 is: 479,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,253.40 : 875,269.26 = 347,778.12 : x
  2. Step 2: Convert to fraction form
    634,253.40/875,269.26 = 347,778.12/x
  3. Step 3: Cross multiply
    634,253.40x = 875,269.26 × 347,778.12
  4. Step 4: Simplify right side
    634,253.40x = 304,399,497,736.59
  5. Step 5: Solve for x
    x = 304,399,497,736.59/634,253.40
  6. Step 6: Final answer
    x = 479,933.57

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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.