Home / 691,639.32-1,037,549.70-270,860.52

Finding the Fourth Proportional to 691,639.32, 1,037,549.70 and 270,860.52

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Solution

The fourth proportional to 691,639.32, 1,037,549.70 and 270,860.52 is: 406,326.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,639.32 : 1,037,549.70 = 270,860.52 : x
  2. Step 2: Convert to fraction form
    691,639.32/1,037,549.70 = 270,860.52/x
  3. Step 3: Cross multiply
    691,639.32x = 1,037,549.70 × 270,860.52
  4. Step 4: Simplify right side
    691,639.32x = 281,031,251,267.84
  5. Step 5: Solve for x
    x = 281,031,251,267.84/691,639.32
  6. Step 6: Final answer
    x = 406,326.31

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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.