Home / 471,499.38-650,683.23-290,315.85

Finding the Fourth Proportional to 471,499.38, 650,683.23 and 290,315.85

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Solution

The fourth proportional to 471,499.38, 650,683.23 and 290,315.85 is: 400,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,499.38 : 650,683.23 = 290,315.85 : x
  2. Step 2: Convert to fraction form
    471,499.38/650,683.23 = 290,315.85/x
  3. Step 3: Cross multiply
    471,499.38x = 650,683.23 × 290,315.85
  4. Step 4: Simplify right side
    471,499.38x = 188,903,654,998.20
  5. Step 5: Solve for x
    x = 188,903,654,998.20/471,499.38
  6. Step 6: Final answer
    x = 400,644.55

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1.5x scale

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.