Home / 839,574.30-1,259,627.82-299,818.80

Finding the Fourth Proportional to 839,574.30, 1,259,627.82 and 299,818.80

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Solution

The fourth proportional to 839,574.30, 1,259,627.82 and 299,818.80 is: 449,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,574.30 : 1,259,627.82 = 299,818.80 : x
  2. Step 2: Convert to fraction form
    839,574.30/1,259,627.82 = 299,818.80/x
  3. Step 3: Cross multiply
    839,574.30x = 1,259,627.82 × 299,818.80
  4. Step 4: Simplify right side
    839,574.30x = 377,660,101,439.02
  5. Step 5: Solve for x
    x = 377,660,101,439.02/839,574.30
  6. Step 6: Final answer
    x = 449,823.32

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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.