Home / 459,836.10-634,629.06-278,542.71

Finding the Fourth Proportional to 459,836.10, 634,629.06 and 278,542.71

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Solution

The fourth proportional to 459,836.10, 634,629.06 and 278,542.71 is: 384,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,836.10 : 634,629.06 = 278,542.71 : x
  2. Step 2: Convert to fraction form
    459,836.10/634,629.06 = 278,542.71/x
  3. Step 3: Cross multiply
    459,836.10x = 634,629.06 × 278,542.71
  4. Step 4: Simplify right side
    459,836.10x = 176,771,298,217.15
  5. Step 5: Solve for x
    x = 176,771,298,217.15/459,836.10
  6. Step 6: Final answer
    x = 384,422.40

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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.