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Finding the Fourth Proportional to 617,266.46, 851,851.96 and 362,615.42

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Solution

The fourth proportional to 617,266.46, 851,851.96 and 362,615.42 is: 500,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,266.46 : 851,851.96 = 362,615.42 : x
  2. Step 2: Convert to fraction form
    617,266.46/851,851.96 = 362,615.42/x
  3. Step 3: Cross multiply
    617,266.46x = 851,851.96 × 362,615.42
  4. Step 4: Simplify right side
    617,266.46x = 308,894,656,253.22
  5. Step 5: Solve for x
    x = 308,894,656,253.22/617,266.46
  6. Step 6: Final answer
    x = 500,423.52

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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.