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Finding the Fourth Proportional to 461,592, 636,920.01 and 308,384.55

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Solution

The fourth proportional to 461,592, 636,920.01 and 308,384.55 is: 425,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,592 : 636,920.01 = 308,384.55 : x
  2. Step 2: Convert to fraction form
    461,592/636,920.01 = 308,384.55/x
  3. Step 3: Cross multiply
    461,592x = 636,920.01 × 308,384.55
  4. Step 4: Simplify right side
    461,592x = 196,416,290,669.85
  5. Step 5: Solve for x
    x = 196,416,290,669.85/461,592
  6. Step 6: Final answer
    x = 425,519.27

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1.5x scale

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.