Home / 751,047.52-1,036,542-428,683.72

Finding the Fourth Proportional to 751,047.52, 1,036,542 and 428,683.72

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Solution

The fourth proportional to 751,047.52, 1,036,542 and 428,683.72 is: 591,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,047.52 : 1,036,542 = 428,683.72 : x
  2. Step 2: Convert to fraction form
    751,047.52/1,036,542 = 428,683.72/x
  3. Step 3: Cross multiply
    751,047.52x = 1,036,542 × 428,683.72
  4. Step 4: Simplify right side
    751,047.52x = 444,348,680,496.24
  5. Step 5: Solve for x
    x = 444,348,680,496.24/751,047.52
  6. Step 6: Final answer
    x = 591,638.57

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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.