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Finding the Fourth Proportional to 617,045.88, 924,074.64 and 426,973.44

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Solution

The fourth proportional to 617,045.88, 924,074.64 and 426,973.44 is: 639,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,045.88 : 924,074.64 = 426,973.44 : x
  2. Step 2: Convert to fraction form
    617,045.88/924,074.64 = 426,973.44/x
  3. Step 3: Cross multiply
    617,045.88x = 924,074.64 × 426,973.44
  4. Step 4: Simplify right side
    617,045.88x = 394,555,327,857.56
  5. Step 5: Solve for x
    x = 394,555,327,857.56/617,045.88
  6. Step 6: Final answer
    x = 639,426.24

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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.