Home / 695,246.40-1,043,647.20-538,171.20

Finding the Fourth Proportional to 695,246.40, 1,043,647.20 and 538,171.20

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Solution

The fourth proportional to 695,246.40, 1,043,647.20 and 538,171.20 is: 807,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,246.40 : 1,043,647.20 = 538,171.20 : x
  2. Step 2: Convert to fraction form
    695,246.40/1,043,647.20 = 538,171.20/x
  3. Step 3: Cross multiply
    695,246.40x = 1,043,647.20 × 538,171.20
  4. Step 4: Simplify right side
    695,246.40x = 561,660,866,000.64
  5. Step 5: Solve for x
    x = 561,660,866,000.64/695,246.40
  6. Step 6: Final answer
    x = 807,858.72

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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.