Home / 805,518.80-1,208,239.80-272,987.60

Finding the Fourth Proportional to 805,518.80, 1,208,239.80 and 272,987.60

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Solution

The fourth proportional to 805,518.80, 1,208,239.80 and 272,987.60 is: 409,468.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,518.80 : 1,208,239.80 = 272,987.60 : x
  2. Step 2: Convert to fraction form
    805,518.80/1,208,239.80 = 272,987.60/x
  3. Step 3: Cross multiply
    805,518.80x = 1,208,239.80 × 272,987.60
  4. Step 4: Simplify right side
    805,518.80x = 329,834,483,226.48
  5. Step 5: Solve for x
    x = 329,834,483,226.48/805,518.80
  6. Step 6: Final answer
    x = 409,468.39

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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.