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Finding the Fourth Proportional to 555,924.42, 767,176.36 and 301,275.60

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Solution

The fourth proportional to 555,924.42, 767,176.36 and 301,275.60 is: 415,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,924.42 : 767,176.36 = 301,275.60 : x
  2. Step 2: Convert to fraction form
    555,924.42/767,176.36 = 301,275.60/x
  3. Step 3: Cross multiply
    555,924.42x = 767,176.36 × 301,275.60
  4. Step 4: Simplify right side
    555,924.42x = 231,131,518,164.82
  5. Step 5: Solve for x
    x = 231,131,518,164.82/555,924.42
  6. Step 6: Final answer
    x = 415,760.69

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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.