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Finding the Fourth Proportional to 560,750.16, 773,843.39 and 319,027.53

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Solution

The fourth proportional to 560,750.16, 773,843.39 and 319,027.53 is: 440,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,750.16 : 773,843.39 = 319,027.53 : x
  2. Step 2: Convert to fraction form
    560,750.16/773,843.39 = 319,027.53/x
  3. Step 3: Cross multiply
    560,750.16x = 773,843.39 × 319,027.53
  4. Step 4: Simplify right side
    560,750.16x = 246,877,345,318.53
  5. Step 5: Solve for x
    x = 246,877,345,318.53/560,750.16
  6. Step 6: Final answer
    x = 440,262.64

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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.