Home / 751,432.78-1,124,488.48-467,257.16

Finding the Fourth Proportional to 751,432.78, 1,124,488.48 and 467,257.16

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Solution

The fourth proportional to 751,432.78, 1,124,488.48 and 467,257.16 is: 699,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,432.78 : 1,124,488.48 = 467,257.16 : x
  2. Step 2: Convert to fraction form
    751,432.78/1,124,488.48 = 467,257.16/x
  3. Step 3: Cross multiply
    751,432.78x = 1,124,488.48 × 467,257.16
  4. Step 4: Simplify right side
    751,432.78x = 525,425,293,617.52
  5. Step 5: Solve for x
    x = 525,425,293,617.52/751,432.78
  6. Step 6: Final answer
    x = 699,231.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.