Home / 757,540.30-1,137,622.65-403,246.30

Finding the Fourth Proportional to 757,540.30, 1,137,622.65 and 403,246.30

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Solution

The fourth proportional to 757,540.30, 1,137,622.65 and 403,246.30 is: 605,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,540.30 : 1,137,622.65 = 403,246.30 : x
  2. Step 2: Convert to fraction form
    757,540.30/1,137,622.65 = 403,246.30/x
  3. Step 3: Cross multiply
    757,540.30x = 1,137,622.65 × 403,246.30
  4. Step 4: Simplify right side
    757,540.30x = 458,742,124,408.70
  5. Step 5: Solve for x
    x = 458,742,124,408.70/757,540.30
  6. Step 6: Final answer
    x = 605,567.95

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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.