Home / 887,061.36-1,330,446.42-247,408.60

Finding the Fourth Proportional to 887,061.36, 1,330,446.42 and 247,408.60

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Solution

The fourth proportional to 887,061.36, 1,330,446.42 and 247,408.60 is: 371,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,061.36 : 1,330,446.42 = 247,408.60 : x
  2. Step 2: Convert to fraction form
    887,061.36/1,330,446.42 = 247,408.60/x
  3. Step 3: Cross multiply
    887,061.36x = 1,330,446.42 × 247,408.60
  4. Step 4: Simplify right side
    887,061.36x = 329,163,886,147.21
  5. Step 5: Solve for x
    x = 329,163,886,147.21/887,061.36
  6. Step 6: Final answer
    x = 371,072.29

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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.