Home / 726,645.40-1,089,968.10-502,696.60

Finding the Fourth Proportional to 726,645.40, 1,089,968.10 and 502,696.60

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Solution

The fourth proportional to 726,645.40, 1,089,968.10 and 502,696.60 is: 754,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,645.40 : 1,089,968.10 = 502,696.60 : x
  2. Step 2: Convert to fraction form
    726,645.40/1,089,968.10 = 502,696.60/x
  3. Step 3: Cross multiply
    726,645.40x = 1,089,968.10 × 502,696.60
  4. Step 4: Simplify right side
    726,645.40x = 547,923,257,978.46
  5. Step 5: Solve for x
    x = 547,923,257,978.46/726,645.40
  6. Step 6: Final answer
    x = 754,044.90

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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.