Home / 805,524.80-1,208,248.80-272,993.60

Finding the Fourth Proportional to 805,524.80, 1,208,248.80 and 272,993.60

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Solution

The fourth proportional to 805,524.80, 1,208,248.80 and 272,993.60 is: 409,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,524.80 : 1,208,248.80 = 272,993.60 : x
  2. Step 2: Convert to fraction form
    805,524.80/1,208,248.80 = 272,993.60/x
  3. Step 3: Cross multiply
    805,524.80x = 1,208,248.80 × 272,993.60
  4. Step 4: Simplify right side
    805,524.80x = 329,844,189,607.68
  5. Step 5: Solve for x
    x = 329,844,189,607.68/805,524.80
  6. Step 6: Final answer
    x = 409,477.39

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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.