Home / 634,105.53-875,076.90-343,726.61

Finding the Fourth Proportional to 634,105.53, 875,076.90 and 343,726.61

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Solution

The fourth proportional to 634,105.53, 875,076.90 and 343,726.61 is: 474,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,105.53 : 875,076.90 = 343,726.61 : x
  2. Step 2: Convert to fraction form
    634,105.53/875,076.90 = 343,726.61/x
  3. Step 3: Cross multiply
    634,105.53x = 875,076.90 × 343,726.61
  4. Step 4: Simplify right side
    634,105.53x = 300,787,216,326.31
  5. Step 5: Solve for x
    x = 300,787,216,326.31/634,105.53
  6. Step 6: Final answer
    x = 474,348.83

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1.5x scale

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.