Home / 778,046.64-1,166,486.76-329,293.68

Finding the Fourth Proportional to 778,046.64, 1,166,486.76 and 329,293.68

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Solution

The fourth proportional to 778,046.64, 1,166,486.76 and 329,293.68 is: 493,693.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,046.64 : 1,166,486.76 = 329,293.68 : x
  2. Step 2: Convert to fraction form
    778,046.64/1,166,486.76 = 329,293.68/x
  3. Step 3: Cross multiply
    778,046.64x = 1,166,486.76 × 329,293.68
  4. Step 4: Simplify right side
    778,046.64x = 384,116,717,871.68
  5. Step 5: Solve for x
    x = 384,116,717,871.68/778,046.64
  6. Step 6: Final answer
    x = 493,693.69

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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.