Home / 813,254.64-1,122,334.56-450,718.08

Finding the Fourth Proportional to 813,254.64, 1,122,334.56 and 450,718.08

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Solution

The fourth proportional to 813,254.64, 1,122,334.56 and 450,718.08 is: 622,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,254.64 : 1,122,334.56 = 450,718.08 : x
  2. Step 2: Convert to fraction form
    813,254.64/1,122,334.56 = 450,718.08/x
  3. Step 3: Cross multiply
    813,254.64x = 1,122,334.56 × 450,718.08
  4. Step 4: Simplify right side
    813,254.64x = 505,856,478,000.85
  5. Step 5: Solve for x
    x = 505,856,478,000.85/813,254.64
  6. Step 6: Final answer
    x = 622,014.87

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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.