Home / 726,508.02-1,089,751.05-326,866.56

Finding the Fourth Proportional to 726,508.02, 1,089,751.05 and 326,866.56

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Solution

The fourth proportional to 726,508.02, 1,089,751.05 and 326,866.56 is: 490,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,508.02 : 1,089,751.05 = 326,866.56 : x
  2. Step 2: Convert to fraction form
    726,508.02/1,089,751.05 = 326,866.56/x
  3. Step 3: Cross multiply
    726,508.02x = 1,089,751.05 × 326,866.56
  4. Step 4: Simplify right side
    726,508.02x = 356,203,176,969.89
  5. Step 5: Solve for x
    x = 356,203,176,969.89/726,508.02
  6. Step 6: Final answer
    x = 490,294.90

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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.