Home / 459,781.32-634,403.13-268,757.76

Finding the Fourth Proportional to 459,781.32, 634,403.13 and 268,757.76

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Solution

The fourth proportional to 459,781.32, 634,403.13 and 268,757.76 is: 370,830.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,781.32 : 634,403.13 = 268,757.76 : x
  2. Step 2: Convert to fraction form
    459,781.32/634,403.13 = 268,757.76/x
  3. Step 3: Cross multiply
    459,781.32x = 634,403.13 × 268,757.76
  4. Step 4: Simplify right side
    459,781.32x = 170,500,764,155.79
  5. Step 5: Solve for x
    x = 170,500,764,155.79/459,781.32
  6. Step 6: Final answer
    x = 370,830.12

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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.