Home / 459,839.10-634,633.21-278,545.71

Finding the Fourth Proportional to 459,839.10, 634,633.21 and 278,545.71

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Solution

The fourth proportional to 459,839.10, 634,633.21 and 278,545.71 is: 384,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,839.10 : 634,633.21 = 278,545.71 : x
  2. Step 2: Convert to fraction form
    459,839.10/634,633.21 = 278,545.71/x
  3. Step 3: Cross multiply
    459,839.10x = 634,633.21 × 278,545.71
  4. Step 4: Simplify right side
    459,839.10x = 176,774,357,372.67
  5. Step 5: Solve for x
    x = 176,774,357,372.67/459,839.10
  6. Step 6: Final answer
    x = 384,426.55

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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.