Home / 486,001.46-728,928.26-186,623.04

Finding the Fourth Proportional to 486,001.46, 728,928.26 and 186,623.04

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Solution

The fourth proportional to 486,001.46, 728,928.26 and 186,623.04 is: 279,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,001.46 : 728,928.26 = 186,623.04 : x
  2. Step 2: Convert to fraction form
    486,001.46/728,928.26 = 186,623.04/x
  3. Step 3: Cross multiply
    486,001.46x = 728,928.26 × 186,623.04
  4. Step 4: Simplify right side
    486,001.46x = 136,034,807,823.11
  5. Step 5: Solve for x
    x = 136,034,807,823.11/486,001.46
  6. Step 6: Final answer
    x = 279,906.17

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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.