Home / 813,250.02-1,122,287.64-450,679.86

Finding the Fourth Proportional to 813,250.02, 1,122,287.64 and 450,679.86

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Solution

The fourth proportional to 813,250.02, 1,122,287.64 and 450,679.86 is: 621,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,250.02 : 1,122,287.64 = 450,679.86 : x
  2. Step 2: Convert to fraction form
    813,250.02/1,122,287.64 = 450,679.86/x
  3. Step 3: Cross multiply
    813,250.02x = 1,122,287.64 × 450,679.86
  4. Step 4: Simplify right side
    813,250.02x = 505,792,436,474.93
  5. Step 5: Solve for x
    x = 505,792,436,474.93/813,250.02
  6. Step 6: Final answer
    x = 621,939.65

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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.