Home / 778,422.04-1,167,682.39-329,059.16

Finding the Fourth Proportional to 778,422.04, 1,167,682.39 and 329,059.16

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Solution

The fourth proportional to 778,422.04, 1,167,682.39 and 329,059.16 is: 493,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,422.04 : 1,167,682.39 = 329,059.16 : x
  2. Step 2: Convert to fraction form
    778,422.04/1,167,682.39 = 329,059.16/x
  3. Step 3: Cross multiply
    778,422.04x = 1,167,682.39 × 329,059.16
  4. Step 4: Simplify right side
    778,422.04x = 384,236,586,400.19
  5. Step 5: Solve for x
    x = 384,236,586,400.19/778,422.04
  6. Step 6: Final answer
    x = 493,609.59

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Double scale
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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.