Home / 670,432.14-1,005,679.22-221,192.26

Finding the Fourth Proportional to 670,432.14, 1,005,679.22 and 221,192.26

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Solution

The fourth proportional to 670,432.14, 1,005,679.22 and 221,192.26 is: 331,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,432.14 : 1,005,679.22 = 221,192.26 : x
  2. Step 2: Convert to fraction form
    670,432.14/1,005,679.22 = 221,192.26/x
  3. Step 3: Cross multiply
    670,432.14x = 1,005,679.22 × 221,192.26
  4. Step 4: Simplify right side
    670,432.14x = 222,448,459,506.84
  5. Step 5: Solve for x
    x = 222,448,459,506.84/670,432.14
  6. Step 6: Final answer
    x = 331,798.62

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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.