Home / 750,866.88-1,036,270.60-428,625.38

Finding the Fourth Proportional to 750,866.88, 1,036,270.60 and 428,625.38

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Solution

The fourth proportional to 750,866.88, 1,036,270.60 and 428,625.38 is: 591,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,866.88 : 1,036,270.60 = 428,625.38 : x
  2. Step 2: Convert to fraction form
    750,866.88/1,036,270.60 = 428,625.38/x
  3. Step 3: Cross multiply
    750,866.88x = 1,036,270.60 × 428,625.38
  4. Step 4: Simplify right side
    750,866.88x = 444,171,879,707.83
  5. Step 5: Solve for x
    x = 444,171,879,707.83/750,866.88
  6. Step 6: Final answer
    x = 591,545.44

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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.