Home / 691,649.82-1,037,565.45-270,871.02

Finding the Fourth Proportional to 691,649.82, 1,037,565.45 and 270,871.02

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Solution

The fourth proportional to 691,649.82, 1,037,565.45 and 270,871.02 is: 406,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,649.82 : 1,037,565.45 = 270,871.02 : x
  2. Step 2: Convert to fraction form
    691,649.82/1,037,565.45 = 270,871.02/x
  3. Step 3: Cross multiply
    691,649.82x = 1,037,565.45 × 270,871.02
  4. Step 4: Simplify right side
    691,649.82x = 281,046,411,758.26
  5. Step 5: Solve for x
    x = 281,046,411,758.26/691,649.82
  6. Step 6: Final answer
    x = 406,342.06

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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.