Home / 927,901.82-1,391,511.33-320,535.62

Finding the Fourth Proportional to 927,901.82, 1,391,511.33 and 320,535.62

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Solution

The fourth proportional to 927,901.82, 1,391,511.33 and 320,535.62 is: 480,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,901.82 : 1,391,511.33 = 320,535.62 : x
  2. Step 2: Convert to fraction form
    927,901.82/1,391,511.33 = 320,535.62/x
  3. Step 3: Cross multiply
    927,901.82x = 1,391,511.33 × 320,535.62
  4. Step 4: Simplify right side
    927,901.82x = 446,028,946,898.58
  5. Step 5: Solve for x
    x = 446,028,946,898.58/927,901.82
  6. Step 6: Final answer
    x = 480,685.50

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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.