Home / 813,349.50-1,122,422.28-450,827.82

Finding the Fourth Proportional to 813,349.50, 1,122,422.28 and 450,827.82

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Solution

The fourth proportional to 813,349.50, 1,122,422.28 and 450,827.82 is: 622,142.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,349.50 : 1,122,422.28 = 450,827.82 : x
  2. Step 2: Convert to fraction form
    813,349.50/1,122,422.28 = 450,827.82/x
  3. Step 3: Cross multiply
    813,349.50x = 1,122,422.28 × 450,827.82
  4. Step 4: Simplify right side
    813,349.50x = 506,019,189,611.83
  5. Step 5: Solve for x
    x = 506,019,189,611.83/813,349.50
  6. Step 6: Final answer
    x = 622,142.37

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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.