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Finding the Fourth Proportional to 555,963.04, 767,208.32 and 301,308.72

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Solution

The fourth proportional to 555,963.04, 767,208.32 and 301,308.72 is: 415,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,963.04 : 767,208.32 = 301,308.72 : x
  2. Step 2: Convert to fraction form
    555,963.04/767,208.32 = 301,308.72/x
  3. Step 3: Cross multiply
    555,963.04x = 767,208.32 × 301,308.72
  4. Step 4: Simplify right side
    555,963.04x = 231,166,556,872.55
  5. Step 5: Solve for x
    x = 231,166,556,872.55/555,963.04
  6. Step 6: Final answer
    x = 415,794.83

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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.