Home / 869,601.60-1,304,491.78-300,981.77

Finding the Fourth Proportional to 869,601.60, 1,304,491.78 and 300,981.77

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Solution

The fourth proportional to 869,601.60, 1,304,491.78 and 300,981.77 is: 451,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,601.60 : 1,304,491.78 = 300,981.77 : x
  2. Step 2: Convert to fraction form
    869,601.60/1,304,491.78 = 300,981.77/x
  3. Step 3: Cross multiply
    869,601.60x = 1,304,491.78 × 300,981.77
  4. Step 4: Simplify right side
    869,601.60x = 392,628,244,142.40
  5. Step 5: Solve for x
    x = 392,628,244,142.40/869,601.60
  6. Step 6: Final answer
    x = 451,503.59

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1.5x scale

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.