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Finding the Fourth Proportional to 636,522.11, 878,334.06 and 364,601.46

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Solution

The fourth proportional to 636,522.11, 878,334.06 and 364,601.46 is: 503,111.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,522.11 : 878,334.06 = 364,601.46 : x
  2. Step 2: Convert to fraction form
    636,522.11/878,334.06 = 364,601.46/x
  3. Step 3: Cross multiply
    636,522.11x = 878,334.06 × 364,601.46
  4. Step 4: Simplify right side
    636,522.11x = 320,241,880,643.73
  5. Step 5: Solve for x
    x = 320,241,880,643.73/636,522.11
  6. Step 6: Final answer
    x = 503,111.95

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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.