Home / 726,256.72-1,089,383.46-346,023.28

Finding the Fourth Proportional to 726,256.72, 1,089,383.46 and 346,023.28

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Solution

The fourth proportional to 726,256.72, 1,089,383.46 and 346,023.28 is: 519,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,256.72 : 1,089,383.46 = 346,023.28 : x
  2. Step 2: Convert to fraction form
    726,256.72/1,089,383.46 = 346,023.28/x
  3. Step 3: Cross multiply
    726,256.72x = 1,089,383.46 × 346,023.28
  4. Step 4: Simplify right side
    726,256.72x = 376,952,038,006.95
  5. Step 5: Solve for x
    x = 376,952,038,006.95/726,256.72
  6. Step 6: Final answer
    x = 519,034.15

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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.