Home / 785,330.22-1,083,727.01-479,917.80

Finding the Fourth Proportional to 785,330.22, 1,083,727.01 and 479,917.80

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Solution

The fourth proportional to 785,330.22, 1,083,727.01 and 479,917.80 is: 662,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,330.22 : 1,083,727.01 = 479,917.80 : x
  2. Step 2: Convert to fraction form
    785,330.22/1,083,727.01 = 479,917.80/x
  3. Step 3: Cross multiply
    785,330.22x = 1,083,727.01 × 479,917.80
  4. Step 4: Simplify right side
    785,330.22x = 520,099,882,439.78
  5. Step 5: Solve for x
    x = 520,099,882,439.78/785,330.22
  6. Step 6: Final answer
    x = 662,269.03

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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.