Home / 778,422.54-1,167,683.14-329,059.66

Finding the Fourth Proportional to 778,422.54, 1,167,683.14 and 329,059.66

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Solution

The fourth proportional to 778,422.54, 1,167,683.14 and 329,059.66 is: 493,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,422.54 : 1,167,683.14 = 329,059.66 : x
  2. Step 2: Convert to fraction form
    778,422.54/1,167,683.14 = 329,059.66/x
  3. Step 3: Cross multiply
    778,422.54x = 1,167,683.14 × 329,059.66
  4. Step 4: Simplify right side
    778,422.54x = 384,237,417,036.13
  5. Step 5: Solve for x
    x = 384,237,417,036.13/778,422.54
  6. Step 6: Final answer
    x = 493,610.34

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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.