Home / 726,877.80-1,089,296.04-619,707.48

Finding the Fourth Proportional to 726,877.80, 1,089,296.04 and 619,707.48

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Solution

The fourth proportional to 726,877.80, 1,089,296.04 and 619,707.48 is: 928,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,877.80 : 1,089,296.04 = 619,707.48 : x
  2. Step 2: Convert to fraction form
    726,877.80/1,089,296.04 = 619,707.48/x
  3. Step 3: Cross multiply
    726,877.80x = 1,089,296.04 × 619,707.48
  4. Step 4: Simplify right side
    726,877.80x = 675,044,903,922.38
  5. Step 5: Solve for x
    x = 675,044,903,922.38/726,877.80
  6. Step 6: Final answer
    x = 928,691.05

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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.