Home / 780,246.52-1,170,410.26-247,809.22

Finding the Fourth Proportional to 780,246.52, 1,170,410.26 and 247,809.22

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Solution

The fourth proportional to 780,246.52, 1,170,410.26 and 247,809.22 is: 371,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,246.52 : 1,170,410.26 = 247,809.22 : x
  2. Step 2: Convert to fraction form
    780,246.52/1,170,410.26 = 247,809.22/x
  3. Step 3: Cross multiply
    780,246.52x = 1,170,410.26 × 247,809.22
  4. Step 4: Simplify right side
    780,246.52x = 290,038,453,610.60
  5. Step 5: Solve for x
    x = 290,038,453,610.60/780,246.52
  6. Step 6: Final answer
    x = 371,726.69

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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.