Home / 751,269.95-1,036,550.80-428,915.87

Finding the Fourth Proportional to 751,269.95, 1,036,550.80 and 428,915.87

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Solution

The fourth proportional to 751,269.95, 1,036,550.80 and 428,915.87 is: 591,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,269.95 : 1,036,550.80 = 428,915.87 : x
  2. Step 2: Convert to fraction form
    751,269.95/1,036,550.80 = 428,915.87/x
  3. Step 3: Cross multiply
    751,269.95x = 1,036,550.80 × 428,915.87
  4. Step 4: Simplify right side
    751,269.95x = 444,593,092,045.93
  5. Step 5: Solve for x
    x = 444,593,092,045.93/751,269.95
  6. Step 6: Final answer
    x = 591,788.73

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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.