Home / 880,391.08-1,318,185.70-666,512.04

Finding the Fourth Proportional to 880,391.08, 1,318,185.70 and 666,512.04

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Solution

The fourth proportional to 880,391.08, 1,318,185.70 and 666,512.04 is: 997,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,391.08 : 1,318,185.70 = 666,512.04 : x
  2. Step 2: Convert to fraction form
    880,391.08/1,318,185.70 = 666,512.04/x
  3. Step 3: Cross multiply
    880,391.08x = 1,318,185.70 × 666,512.04
  4. Step 4: Simplify right side
    880,391.08x = 878,586,643,282.74
  5. Step 5: Solve for x
    x = 878,586,643,282.74/880,391.08
  6. Step 6: Final answer
    x = 997,950.42

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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.