Home / 489,131.20-733,332.30-252,643.60

Finding the Fourth Proportional to 489,131.20, 733,332.30 and 252,643.60

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Solution

The fourth proportional to 489,131.20, 733,332.30 and 252,643.60 is: 378,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,131.20 : 733,332.30 = 252,643.60 : x
  2. Step 2: Convert to fraction form
    489,131.20/733,332.30 = 252,643.60/x
  3. Step 3: Cross multiply
    489,131.20x = 733,332.30 × 252,643.60
  4. Step 4: Simplify right side
    489,131.20x = 185,271,712,268.28
  5. Step 5: Solve for x
    x = 185,271,712,268.28/489,131.20
  6. Step 6: Final answer
    x = 378,777.13

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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.