Home / 780,244.52-1,170,407.25-247,807.22

Finding the Fourth Proportional to 780,244.52, 1,170,407.25 and 247,807.22

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Solution

The fourth proportional to 780,244.52, 1,170,407.25 and 247,807.22 is: 371,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,244.52 : 1,170,407.25 = 247,807.22 : x
  2. Step 2: Convert to fraction form
    780,244.52/1,170,407.25 = 247,807.22/x
  3. Step 3: Cross multiply
    780,244.52x = 1,170,407.25 × 247,807.22
  4. Step 4: Simplify right side
    780,244.52x = 290,035,361,038.31
  5. Step 5: Solve for x
    x = 290,035,361,038.31/780,244.52
  6. Step 6: Final answer
    x = 371,723.68

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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.