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Finding the Fourth Proportional to 555,968.34, 767,240.10 and 301,323.78

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Solution

The fourth proportional to 555,968.34, 767,240.10 and 301,323.78 is: 415,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,968.34 : 767,240.10 = 301,323.78 : x
  2. Step 2: Convert to fraction form
    555,968.34/767,240.10 = 301,323.78/x
  3. Step 3: Cross multiply
    555,968.34x = 767,240.10 × 301,323.78
  4. Step 4: Simplify right side
    555,968.34x = 231,187,687,099.58
  5. Step 5: Solve for x
    x = 231,187,687,099.58/555,968.34
  6. Step 6: Final answer
    x = 415,828.87

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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.