Home / 640,557.24-960,875.50-214,131.44

Finding the Fourth Proportional to 640,557.24, 960,875.50 and 214,131.44

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Solution

The fourth proportional to 640,557.24, 960,875.50 and 214,131.44 is: 321,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,557.24 : 960,875.50 = 214,131.44 : x
  2. Step 2: Convert to fraction form
    640,557.24/960,875.50 = 214,131.44/x
  3. Step 3: Cross multiply
    640,557.24x = 960,875.50 × 214,131.44
  4. Step 4: Simplify right side
    640,557.24x = 205,753,654,475.72
  5. Step 5: Solve for x
    x = 205,753,654,475.72/640,557.24
  6. Step 6: Final answer
    x = 321,210.41

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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.