Home / 808,601.10-1,212,318.45-528,276.30

Finding the Fourth Proportional to 808,601.10, 1,212,318.45 and 528,276.30

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Solution

The fourth proportional to 808,601.10, 1,212,318.45 and 528,276.30 is: 792,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,601.10 : 1,212,318.45 = 528,276.30 : x
  2. Step 2: Convert to fraction form
    808,601.10/1,212,318.45 = 528,276.30/x
  3. Step 3: Cross multiply
    808,601.10x = 1,212,318.45 × 528,276.30
  4. Step 4: Simplify right side
    808,601.10x = 640,439,105,187.74
  5. Step 5: Solve for x
    x = 640,439,105,187.74/808,601.10
  6. Step 6: Final answer
    x = 792,033.43

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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.