Home / 779,481.78-1,170,298.36-539,005.74

Finding the Fourth Proportional to 779,481.78, 1,170,298.36 and 539,005.74

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Solution

The fourth proportional to 779,481.78, 1,170,298.36 and 539,005.74 is: 809,252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,481.78 : 1,170,298.36 = 539,005.74 : x
  2. Step 2: Convert to fraction form
    779,481.78/1,170,298.36 = 539,005.74/x
  3. Step 3: Cross multiply
    779,481.78x = 1,170,298.36 × 539,005.74
  4. Step 4: Simplify right side
    779,481.78x = 630,797,533,552.59
  5. Step 5: Solve for x
    x = 630,797,533,552.59/779,481.78
  6. Step 6: Final answer
    x = 809,252.44

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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.