Home / 780,253.52-1,170,420.75-247,816.22

Finding the Fourth Proportional to 780,253.52, 1,170,420.75 and 247,816.22

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Solution

The fourth proportional to 780,253.52, 1,170,420.75 and 247,816.22 is: 371,737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,253.52 : 1,170,420.75 = 247,816.22 : x
  2. Step 2: Convert to fraction form
    780,253.52/1,170,420.75 = 247,816.22/x
  3. Step 3: Cross multiply
    780,253.52x = 1,170,420.75 × 247,816.22
  4. Step 4: Simplify right side
    780,253.52x = 290,049,240,222.46
  5. Step 5: Solve for x
    x = 290,049,240,222.46/780,253.52
  6. Step 6: Final answer
    x = 371,737.18

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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.