Home / 810,641.92-1,216,208.96-574,441.60

Finding the Fourth Proportional to 810,641.92, 1,216,208.96 and 574,441.60

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Solution

The fourth proportional to 810,641.92, 1,216,208.96 and 574,441.60 is: 861,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,641.92 : 1,216,208.96 = 574,441.60 : x
  2. Step 2: Convert to fraction form
    810,641.92/1,216,208.96 = 574,441.60/x
  3. Step 3: Cross multiply
    810,641.92x = 1,216,208.96 × 574,441.60
  4. Step 4: Simplify right side
    810,641.92x = 698,641,020,916.74
  5. Step 5: Solve for x
    x = 698,641,020,916.74/810,641.92
  6. Step 6: Final answer
    x = 861,836.78

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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.