Home / 914,748.60-1,371,237.30-409,023.48

Finding the Fourth Proportional to 914,748.60, 1,371,237.30 and 409,023.48

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Solution

The fourth proportional to 914,748.60, 1,371,237.30 and 409,023.48 is: 613,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,748.60 : 1,371,237.30 = 409,023.48 : x
  2. Step 2: Convert to fraction form
    914,748.60/1,371,237.30 = 409,023.48/x
  3. Step 3: Cross multiply
    914,748.60x = 1,371,237.30 × 409,023.48
  4. Step 4: Simplify right side
    914,748.60x = 560,868,252,351.80
  5. Step 5: Solve for x
    x = 560,868,252,351.80/914,748.60
  6. Step 6: Final answer
    x = 613,139.23

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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.