Home / 844,399.20-1,264,832.40-395,503.20

Finding the Fourth Proportional to 844,399.20, 1,264,832.40 and 395,503.20

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Solution

The fourth proportional to 844,399.20, 1,264,832.40 and 395,503.20 is: 592,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,399.20 : 1,264,832.40 = 395,503.20 : x
  2. Step 2: Convert to fraction form
    844,399.20/1,264,832.40 = 395,503.20/x
  3. Step 3: Cross multiply
    844,399.20x = 1,264,832.40 × 395,503.20
  4. Step 4: Simplify right side
    844,399.20x = 500,245,261,663.68
  5. Step 5: Solve for x
    x = 500,245,261,663.68/844,399.20
  6. Step 6: Final answer
    x = 592,427.45

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1.5x scale

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.