Home / 846,966.72-1,270,180.63-278,215.86

Finding the Fourth Proportional to 846,966.72, 1,270,180.63 and 278,215.86

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Solution

The fourth proportional to 846,966.72, 1,270,180.63 and 278,215.86 is: 417,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,966.72 : 1,270,180.63 = 278,215.86 : x
  2. Step 2: Convert to fraction form
    846,966.72/1,270,180.63 = 278,215.86/x
  3. Step 3: Cross multiply
    846,966.72x = 1,270,180.63 × 278,215.86
  4. Step 4: Simplify right side
    846,966.72x = 353,384,396,330.79
  5. Step 5: Solve for x
    x = 353,384,396,330.79/846,966.72
  6. Step 6: Final answer
    x = 417,235.28

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1.5x scale

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.