Home / 746,721.28-1,119,631.44-297,511.60

Finding the Fourth Proportional to 746,721.28, 1,119,631.44 and 297,511.60

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Solution

The fourth proportional to 746,721.28, 1,119,631.44 and 297,511.60 is: 446,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,721.28 : 1,119,631.44 = 297,511.60 : x
  2. Step 2: Convert to fraction form
    746,721.28/1,119,631.44 = 297,511.60/x
  3. Step 3: Cross multiply
    746,721.28x = 1,119,631.44 × 297,511.60
  4. Step 4: Simplify right side
    746,721.28x = 333,103,341,124.70
  5. Step 5: Solve for x
    x = 333,103,341,124.70/746,721.28
  6. Step 6: Final answer
    x = 446,087.92

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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.