Home / 780,262.56-1,170,434.25-247,825.26

Finding the Fourth Proportional to 780,262.56, 1,170,434.25 and 247,825.26

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Solution

The fourth proportional to 780,262.56, 1,170,434.25 and 247,825.26 is: 371,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,262.56 : 1,170,434.25 = 247,825.26 : x
  2. Step 2: Convert to fraction form
    780,262.56/1,170,434.25 = 247,825.26/x
  3. Step 3: Cross multiply
    780,262.56x = 1,170,434.25 × 247,825.26
  4. Step 4: Simplify right side
    780,262.56x = 290,063,172,319.16
  5. Step 5: Solve for x
    x = 290,063,172,319.16/780,262.56
  6. Step 6: Final answer
    x = 371,750.72

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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.