Home / 759,309.44-1,047,869.04-419,799.68

Finding the Fourth Proportional to 759,309.44, 1,047,869.04 and 419,799.68

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Solution

The fourth proportional to 759,309.44, 1,047,869.04 and 419,799.68 is: 579,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,309.44 : 1,047,869.04 = 419,799.68 : x
  2. Step 2: Convert to fraction form
    759,309.44/1,047,869.04 = 419,799.68/x
  3. Step 3: Cross multiply
    759,309.44x = 1,047,869.04 × 419,799.68
  4. Step 4: Simplify right side
    759,309.44x = 439,895,087,673.91
  5. Step 5: Solve for x
    x = 439,895,087,673.91/759,309.44
  6. Step 6: Final answer
    x = 579,335.73

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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.