Home / 753,223.16-1,039,014.06-451,242.20

Finding the Fourth Proportional to 753,223.16, 1,039,014.06 and 451,242.20

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Solution

The fourth proportional to 753,223.16, 1,039,014.06 and 451,242.20 is: 622,454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,223.16 : 1,039,014.06 = 451,242.20 : x
  2. Step 2: Convert to fraction form
    753,223.16/1,039,014.06 = 451,242.20/x
  3. Step 3: Cross multiply
    753,223.16x = 1,039,014.06 × 451,242.20
  4. Step 4: Simplify right side
    753,223.16x = 468,846,990,265.33
  5. Step 5: Solve for x
    x = 468,846,990,265.33/753,223.16
  6. Step 6: Final answer
    x = 622,454.29

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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.