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Finding the Fourth Proportional to 555,610.44, 766,726.72 and 326,164.07

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Solution

The fourth proportional to 555,610.44, 766,726.72 and 326,164.07 is: 450,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,610.44 : 766,726.72 = 326,164.07 : x
  2. Step 2: Convert to fraction form
    555,610.44/766,726.72 = 326,164.07/x
  3. Step 3: Cross multiply
    555,610.44x = 766,726.72 × 326,164.07
  4. Step 4: Simplify right side
    555,610.44x = 250,078,703,739.32
  5. Step 5: Solve for x
    x = 250,078,703,739.32/555,610.44
  6. Step 6: Final answer
    x = 450,097.20

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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.