Home / 691,341.21-1,037,010.60-270,321.84

Finding the Fourth Proportional to 691,341.21, 1,037,010.60 and 270,321.84

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Solution

The fourth proportional to 691,341.21, 1,037,010.60 and 270,321.84 is: 405,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,341.21 : 1,037,010.60 = 270,321.84 : x
  2. Step 2: Convert to fraction form
    691,341.21/1,037,010.60 = 270,321.84/x
  3. Step 3: Cross multiply
    691,341.21x = 1,037,010.60 × 270,321.84
  4. Step 4: Simplify right side
    691,341.21x = 280,326,613,491.50
  5. Step 5: Solve for x
    x = 280,326,613,491.50/691,341.21
  6. Step 6: Final answer
    x = 405,482.28

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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.