Home / 725,948.19-1,089,143.82-371,211.39

Finding the Fourth Proportional to 725,948.19, 1,089,143.82 and 371,211.39

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Solution

The fourth proportional to 725,948.19, 1,089,143.82 and 371,211.39 is: 556,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,948.19 : 1,089,143.82 = 371,211.39 : x
  2. Step 2: Convert to fraction form
    725,948.19/1,089,143.82 = 371,211.39/x
  3. Step 3: Cross multiply
    725,948.19x = 1,089,143.82 × 371,211.39
  4. Step 4: Simplify right side
    725,948.19x = 404,302,591,332.11
  5. Step 5: Solve for x
    x = 404,302,591,332.11/725,948.19
  6. Step 6: Final answer
    x = 556,930.37

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1.5x scale

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.