Home / 784,977.42-1,083,255.72-440,816.52

Finding the Fourth Proportional to 784,977.42, 1,083,255.72 and 440,816.52

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Solution

The fourth proportional to 784,977.42, 1,083,255.72 and 440,816.52 is: 608,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,977.42 : 1,083,255.72 = 440,816.52 : x
  2. Step 2: Convert to fraction form
    784,977.42/1,083,255.72 = 440,816.52/x
  3. Step 3: Cross multiply
    784,977.42x = 1,083,255.72 × 440,816.52
  4. Step 4: Simplify right side
    784,977.42x = 477,517,016,760.49
  5. Step 5: Solve for x
    x = 477,517,016,760.49/784,977.42
  6. Step 6: Final answer
    x = 608,319.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.