Home / 808,908.48-1,213,539.84-247,986.72

Finding the Fourth Proportional to 808,908.48, 1,213,539.84 and 247,986.72

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Solution

The fourth proportional to 808,908.48, 1,213,539.84 and 247,986.72 is: 372,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,908.48 : 1,213,539.84 = 247,986.72 : x
  2. Step 2: Convert to fraction form
    808,908.48/1,213,539.84 = 247,986.72/x
  3. Step 3: Cross multiply
    808,908.48x = 1,213,539.84 × 247,986.72
  4. Step 4: Simplify right side
    808,908.48x = 300,941,764,510.93
  5. Step 5: Solve for x
    x = 300,941,764,510.93/808,908.48
  6. Step 6: Final answer
    x = 372,034.38

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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.