Home / 846,967.91-1,270,182.41-278,217.05

Finding the Fourth Proportional to 846,967.91, 1,270,182.41 and 278,217.05

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Solution

The fourth proportional to 846,967.91, 1,270,182.41 and 278,217.05 is: 417,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,967.91 : 1,270,182.41 = 278,217.05 : x
  2. Step 2: Convert to fraction form
    846,967.91/1,270,182.41 = 278,217.05/x
  3. Step 3: Cross multiply
    846,967.91x = 1,270,182.41 × 278,217.05
  4. Step 4: Simplify right side
    846,967.91x = 353,386,404,856.46
  5. Step 5: Solve for x
    x = 353,386,404,856.46/846,967.91
  6. Step 6: Final answer
    x = 417,237.07

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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.