Home / 440,320.37-660,272.38-170,574.85

Finding the Fourth Proportional to 440,320.37, 660,272.38 and 170,574.85

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Solution

The fourth proportional to 440,320.37, 660,272.38 and 170,574.85 is: 255,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,320.37 : 660,272.38 = 170,574.85 : x
  2. Step 2: Convert to fraction form
    440,320.37/660,272.38 = 170,574.85/x
  3. Step 3: Cross multiply
    440,320.37x = 660,272.38 × 170,574.85
  4. Step 4: Simplify right side
    440,320.37x = 112,625,862,576.55
  5. Step 5: Solve for x
    x = 112,625,862,576.55/440,320.37
  6. Step 6: Final answer
    x = 255,781.63

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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.