Home / 751,061.52-1,036,561.44-428,697.84

Finding the Fourth Proportional to 751,061.52, 1,036,561.44 and 428,697.84

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Solution

The fourth proportional to 751,061.52, 1,036,561.44 and 428,697.84 is: 591,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,061.52 : 1,036,561.44 = 428,697.84 : x
  2. Step 2: Convert to fraction form
    751,061.52/1,036,561.44 = 428,697.84/x
  3. Step 3: Cross multiply
    751,061.52x = 1,036,561.44 × 428,697.84
  4. Step 4: Simplify right side
    751,061.52x = 444,371,650,355.29
  5. Step 5: Solve for x
    x = 444,371,650,355.29/751,061.52
  6. Step 6: Final answer
    x = 591,658.12

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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.