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Finding the Fourth Proportional to 559,204.55, 771,711.07 and 304,555.54

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Solution

The fourth proportional to 559,204.55, 771,711.07 and 304,555.54 is: 420,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,204.55 : 771,711.07 = 304,555.54 : x
  2. Step 2: Convert to fraction form
    559,204.55/771,711.07 = 304,555.54/x
  3. Step 3: Cross multiply
    559,204.55x = 771,711.07 × 304,555.54
  4. Step 4: Simplify right side
    559,204.55x = 235,028,877,789.27
  5. Step 5: Solve for x
    x = 235,028,877,789.27/559,204.55
  6. Step 6: Final answer
    x = 420,291.43

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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.