Home / 878,371.48-1,317,634.98-247,290.76

Finding the Fourth Proportional to 878,371.48, 1,317,634.98 and 247,290.76

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Solution

The fourth proportional to 878,371.48, 1,317,634.98 and 247,290.76 is: 370,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,371.48 : 1,317,634.98 = 247,290.76 : x
  2. Step 2: Convert to fraction form
    878,371.48/1,317,634.98 = 247,290.76/x
  3. Step 3: Cross multiply
    878,371.48x = 1,317,634.98 × 247,290.76
  4. Step 4: Simplify right side
    878,371.48x = 325,838,955,606.79
  5. Step 5: Solve for x
    x = 325,838,955,606.79/878,371.48
  6. Step 6: Final answer
    x = 370,958.03

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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.