Home / 827,720.80-1,241,289.60-295,259.20

Finding the Fourth Proportional to 827,720.80, 1,241,289.60 and 295,259.20

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Solution

The fourth proportional to 827,720.80, 1,241,289.60 and 295,259.20 is: 442,784.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,720.80 : 1,241,289.60 = 295,259.20 : x
  2. Step 2: Convert to fraction form
    827,720.80/1,241,289.60 = 295,259.20/x
  3. Step 3: Cross multiply
    827,720.80x = 1,241,289.60 × 295,259.20
  4. Step 4: Simplify right side
    827,720.80x = 366,502,174,264.32
  5. Step 5: Solve for x
    x = 366,502,174,264.32/827,720.80
  6. Step 6: Final answer
    x = 442,784.78

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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.