Home / 685,008.48-1,027,257.84-235,603.20

Finding the Fourth Proportional to 685,008.48, 1,027,257.84 and 235,603.20

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Solution

The fourth proportional to 685,008.48, 1,027,257.84 and 235,603.20 is: 353,317.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,008.48 : 1,027,257.84 = 235,603.20 : x
  2. Step 2: Convert to fraction form
    685,008.48/1,027,257.84 = 235,603.20/x
  3. Step 3: Cross multiply
    685,008.48x = 1,027,257.84 × 235,603.20
  4. Step 4: Simplify right side
    685,008.48x = 242,025,234,329.09
  5. Step 5: Solve for x
    x = 242,025,234,329.09/685,008.48
  6. Step 6: Final answer
    x = 353,317.14

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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.