Home / 813,233.52-1,122,307.20-450,649.80

Finding the Fourth Proportional to 813,233.52, 1,122,307.20 and 450,649.80

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Solution

The fourth proportional to 813,233.52, 1,122,307.20 and 450,649.80 is: 621,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,233.52 : 1,122,307.20 = 450,649.80 : x
  2. Step 2: Convert to fraction form
    813,233.52/1,122,307.20 = 450,649.80/x
  3. Step 3: Cross multiply
    813,233.52x = 1,122,307.20 × 450,649.80
  4. Step 4: Simplify right side
    813,233.52x = 505,767,515,218.56
  5. Step 5: Solve for x
    x = 505,767,515,218.56/813,233.52
  6. Step 6: Final answer
    x = 621,921.63

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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.