Home / 751,049.52-1,036,544.76-428,685.72

Finding the Fourth Proportional to 751,049.52, 1,036,544.76 and 428,685.72

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Solution

The fourth proportional to 751,049.52, 1,036,544.76 and 428,685.72 is: 591,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,049.52 : 1,036,544.76 = 428,685.72 : x
  2. Step 2: Convert to fraction form
    751,049.52/1,036,544.76 = 428,685.72/x
  3. Step 3: Cross multiply
    751,049.52x = 1,036,544.76 × 428,685.72
  4. Step 4: Simplify right side
    751,049.52x = 444,351,936,752.83
  5. Step 5: Solve for x
    x = 444,351,936,752.83/751,049.52
  6. Step 6: Final answer
    x = 591,641.33

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Double scale
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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.