Home / 481,624.60-664,646.76-290,601.16

Finding the Fourth Proportional to 481,624.60, 664,646.76 and 290,601.16

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Solution

The fourth proportional to 481,624.60, 664,646.76 and 290,601.16 is: 401,032.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,624.60 : 664,646.76 = 290,601.16 : x
  2. Step 2: Convert to fraction form
    481,624.60/664,646.76 = 290,601.16/x
  3. Step 3: Cross multiply
    481,624.60x = 664,646.76 × 290,601.16
  4. Step 4: Simplify right side
    481,624.60x = 193,147,119,446.24
  5. Step 5: Solve for x
    x = 193,147,119,446.24/481,624.60
  6. Step 6: Final answer
    x = 401,032.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.