Home / 725,915.19-1,089,094.32-371,178.39

Finding the Fourth Proportional to 725,915.19, 1,089,094.32 and 371,178.39

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Solution

The fourth proportional to 725,915.19, 1,089,094.32 and 371,178.39 is: 556,880.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,915.19 : 1,089,094.32 = 371,178.39 : x
  2. Step 2: Convert to fraction form
    725,915.19/1,089,094.32 = 371,178.39/x
  3. Step 3: Cross multiply
    725,915.19x = 1,089,094.32 × 371,178.39
  4. Step 4: Simplify right side
    725,915.19x = 404,248,276,255.75
  5. Step 5: Solve for x
    x = 404,248,276,255.75/725,915.19
  6. Step 6: Final answer
    x = 556,880.86

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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.