Home / 456,504.48-684,385.68-190,463.22

Finding the Fourth Proportional to 456,504.48, 684,385.68 and 190,463.22

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Solution

The fourth proportional to 456,504.48, 684,385.68 and 190,463.22 is: 285,540.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,504.48 : 684,385.68 = 190,463.22 : x
  2. Step 2: Convert to fraction form
    456,504.48/684,385.68 = 190,463.22/x
  3. Step 3: Cross multiply
    456,504.48x = 684,385.68 × 190,463.22
  4. Step 4: Simplify right side
    456,504.48x = 130,350,300,334.69
  5. Step 5: Solve for x
    x = 130,350,300,334.69/456,504.48
  6. Step 6: Final answer
    x = 285,540.02

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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.