Home / 691,659.57-1,037,580.09-270,880.77

Finding the Fourth Proportional to 691,659.57, 1,037,580.09 and 270,880.77

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Solution

The fourth proportional to 691,659.57, 1,037,580.09 and 270,880.77 is: 406,356.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,659.57 : 1,037,580.09 = 270,880.77 : x
  2. Step 2: Convert to fraction form
    691,659.57/1,037,580.09 = 270,880.77/x
  3. Step 3: Cross multiply
    691,659.57x = 1,037,580.09 × 270,880.77
  4. Step 4: Simplify right side
    691,659.57x = 281,060,493,715.87
  5. Step 5: Solve for x
    x = 281,060,493,715.87/691,659.57
  6. Step 6: Final answer
    x = 406,356.69

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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.