Home / 691,667.60-1,037,592.08-270,888.80

Finding the Fourth Proportional to 691,667.60, 1,037,592.08 and 270,888.80

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Solution

The fourth proportional to 691,667.60, 1,037,592.08 and 270,888.80 is: 406,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,667.60 : 1,037,592.08 = 270,888.80 : x
  2. Step 2: Convert to fraction form
    691,667.60/1,037,592.08 = 270,888.80/x
  3. Step 3: Cross multiply
    691,667.60x = 1,037,592.08 × 270,888.80
  4. Step 4: Simplify right side
    691,667.60x = 281,072,073,440.70
  5. Step 5: Solve for x
    x = 281,072,073,440.70/691,667.60
  6. Step 6: Final answer
    x = 406,368.71

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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.