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Finding the Fourth Proportional to 559,589.74, 772,233.87 and 304,940.86

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Solution

The fourth proportional to 559,589.74, 772,233.87 and 304,940.86 is: 420,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,589.74 : 772,233.87 = 304,940.86 : x
  2. Step 2: Convert to fraction form
    559,589.74/772,233.87 = 304,940.86/x
  3. Step 3: Cross multiply
    559,589.74x = 772,233.87 × 304,940.86
  4. Step 4: Simplify right side
    559,589.74x = 235,485,660,438.93
  5. Step 5: Solve for x
    x = 235,485,660,438.93/559,589.74
  6. Step 6: Final answer
    x = 420,818.40

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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.