Home / 676,879.10-1,015,318.65-657,196.10

Finding the Fourth Proportional to 676,879.10, 1,015,318.65 and 657,196.10

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Solution

The fourth proportional to 676,879.10, 1,015,318.65 and 657,196.10 is: 985,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,879.10 : 1,015,318.65 = 657,196.10 : x
  2. Step 2: Convert to fraction form
    676,879.10/1,015,318.65 = 657,196.10/x
  3. Step 3: Cross multiply
    676,879.10x = 1,015,318.65 × 657,196.10
  4. Step 4: Simplify right side
    676,879.10x = 667,263,457,037.27
  5. Step 5: Solve for x
    x = 667,263,457,037.27/676,879.10
  6. Step 6: Final answer
    x = 985,794.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.