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Finding the Fourth Proportional to 479,810.62, 719,718.28 and 195,504

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Solution

The fourth proportional to 479,810.62, 719,718.28 and 195,504 is: 293,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,810.62 : 719,718.28 = 195,504 : x
  2. Step 2: Convert to fraction form
    479,810.62/719,718.28 = 195,504/x
  3. Step 3: Cross multiply
    479,810.62x = 719,718.28 × 195,504
  4. Step 4: Simplify right side
    479,810.62x = 140,707,802,613.12
  5. Step 5: Solve for x
    x = 140,707,802,613.12/479,810.62
  6. Step 6: Final answer
    x = 293,256.96

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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.