Home / 987,866.48-1,481,799.72-239,907.44

Finding the Fourth Proportional to 987,866.48, 1,481,799.72 and 239,907.44

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Solution

The fourth proportional to 987,866.48, 1,481,799.72 and 239,907.44 is: 359,861.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,866.48 : 1,481,799.72 = 239,907.44 : x
  2. Step 2: Convert to fraction form
    987,866.48/1,481,799.72 = 239,907.44/x
  3. Step 3: Cross multiply
    987,866.48x = 1,481,799.72 × 239,907.44
  4. Step 4: Simplify right side
    987,866.48x = 355,494,777,417.92
  5. Step 5: Solve for x
    x = 355,494,777,417.92/987,866.48
  6. Step 6: Final answer
    x = 359,861.16

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Double scale
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Similar ratio
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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.