Home / 780,259.56-1,170,429.83-247,822.26

Finding the Fourth Proportional to 780,259.56, 1,170,429.83 and 247,822.26

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Solution

The fourth proportional to 780,259.56, 1,170,429.83 and 247,822.26 is: 371,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,259.56 : 1,170,429.83 = 247,822.26 : x
  2. Step 2: Convert to fraction form
    780,259.56/1,170,429.83 = 247,822.26/x
  3. Step 3: Cross multiply
    780,259.56x = 1,170,429.83 × 247,822.26
  4. Step 4: Simplify right side
    780,259.56x = 290,058,565,642.02
  5. Step 5: Solve for x
    x = 290,058,565,642.02/780,259.56
  6. Step 6: Final answer
    x = 371,746.25

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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.