Home / 872,419.92-1,308,630.40-273,427.76

Finding the Fourth Proportional to 872,419.92, 1,308,630.40 and 273,427.76

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Solution

The fourth proportional to 872,419.92, 1,308,630.40 and 273,427.76 is: 410,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,419.92 : 1,308,630.40 = 273,427.76 : x
  2. Step 2: Convert to fraction form
    872,419.92/1,308,630.40 = 273,427.76/x
  3. Step 3: Cross multiply
    872,419.92x = 1,308,630.40 × 273,427.76
  4. Step 4: Simplify right side
    872,419.92x = 357,815,878,939.90
  5. Step 5: Solve for x
    x = 357,815,878,939.90/872,419.92
  6. Step 6: Final answer
    x = 410,141.80

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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.