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Finding the Fourth Proportional to 555,794.20, 766,996.68 and 301,145.20

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Solution

The fourth proportional to 555,794.20, 766,996.68 and 301,145.20 is: 415,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,794.20 : 766,996.68 = 301,145.20 : x
  2. Step 2: Convert to fraction form
    555,794.20/766,996.68 = 301,145.20/x
  3. Step 3: Cross multiply
    555,794.20x = 766,996.68 × 301,145.20
  4. Step 4: Simplify right side
    555,794.20x = 230,977,368,597.94
  5. Step 5: Solve for x
    x = 230,977,368,597.94/555,794.20
  6. Step 6: Final answer
    x = 415,580.75

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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.