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Finding the Fourth Proportional to 595,953, 894,491.28 and 217,239.78

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Solution

The fourth proportional to 595,953, 894,491.28 and 217,239.78 is: 326,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,953 : 894,491.28 = 217,239.78 : x
  2. Step 2: Convert to fraction form
    595,953/894,491.28 = 217,239.78/x
  3. Step 3: Cross multiply
    595,953x = 894,491.28 × 217,239.78
  4. Step 4: Simplify right side
    595,953x = 194,319,088,879.12
  5. Step 5: Solve for x
    x = 194,319,088,879.12/595,953
  6. Step 6: Final answer
    x = 326,064.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.