Home / 802,723.20-1,107,745.38-440,150.10

Finding the Fourth Proportional to 802,723.20, 1,107,745.38 and 440,150.10

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Solution

The fourth proportional to 802,723.20, 1,107,745.38 and 440,150.10 is: 607,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,723.20 : 1,107,745.38 = 440,150.10 : x
  2. Step 2: Convert to fraction form
    802,723.20/1,107,745.38 = 440,150.10/x
  3. Step 3: Cross multiply
    802,723.20x = 1,107,745.38 × 440,150.10
  4. Step 4: Simplify right side
    802,723.20x = 487,574,239,781.54
  5. Step 5: Solve for x
    x = 487,574,239,781.54/802,723.20
  6. Step 6: Final answer
    x = 607,400.21

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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.