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Finding the Fourth Proportional to 597,864, 894,580.80 and 479,175.36

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Solution

The fourth proportional to 597,864, 894,580.80 and 479,175.36 is: 716,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,864 : 894,580.80 = 479,175.36 : x
  2. Step 2: Convert to fraction form
    597,864/894,580.80 = 479,175.36/x
  3. Step 3: Cross multiply
    597,864x = 894,580.80 × 479,175.36
  4. Step 4: Simplify right side
    597,864x = 428,661,076,889.09
  5. Step 5: Solve for x
    x = 428,661,076,889.09/597,864
  6. Step 6: Final answer
    x = 716,987.60

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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.