Home / 435,257.10-652,885.65-403,764.30

Finding the Fourth Proportional to 435,257.10, 652,885.65 and 403,764.30

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Solution

The fourth proportional to 435,257.10, 652,885.65 and 403,764.30 is: 605,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,257.10 : 652,885.65 = 403,764.30 : x
  2. Step 2: Convert to fraction form
    435,257.10/652,885.65 = 403,764.30/x
  3. Step 3: Cross multiply
    435,257.10x = 652,885.65 × 403,764.30
  4. Step 4: Simplify right side
    435,257.10x = 263,611,917,452.30
  5. Step 5: Solve for x
    x = 263,611,917,452.30/435,257.10
  6. Step 6: Final answer
    x = 605,646.45

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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.