Home / 758,955.30-1,139,745.15-404,661.30

Finding the Fourth Proportional to 758,955.30, 1,139,745.15 and 404,661.30

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Solution

The fourth proportional to 758,955.30, 1,139,745.15 and 404,661.30 is: 607,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,955.30 : 1,139,745.15 = 404,661.30 : x
  2. Step 2: Convert to fraction form
    758,955.30/1,139,745.15 = 404,661.30/x
  3. Step 3: Cross multiply
    758,955.30x = 1,139,745.15 × 404,661.30
  4. Step 4: Simplify right side
    758,955.30x = 461,210,754,067.70
  5. Step 5: Solve for x
    x = 461,210,754,067.70/758,955.30
  6. Step 6: Final answer
    x = 607,691.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.