Home / 872,147.60-1,308,221.40-273,155.63

Finding the Fourth Proportional to 872,147.60, 1,308,221.40 and 273,155.63

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Solution

The fourth proportional to 872,147.60, 1,308,221.40 and 273,155.63 is: 409,733.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,147.60 : 1,308,221.40 = 273,155.63 : x
  2. Step 2: Convert to fraction form
    872,147.60/1,308,221.40 = 273,155.63/x
  3. Step 3: Cross multiply
    872,147.60x = 1,308,221.40 × 273,155.63
  4. Step 4: Simplify right side
    872,147.60x = 357,348,034,155.38
  5. Step 5: Solve for x
    x = 357,348,034,155.38/872,147.60
  6. Step 6: Final answer
    x = 409,733.44

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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.