Home / 987,802.20-1,481,703.30-239,848.20

Finding the Fourth Proportional to 987,802.20, 1,481,703.30 and 239,848.20

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Solution

The fourth proportional to 987,802.20, 1,481,703.30 and 239,848.20 is: 359,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,802.20 : 1,481,703.30 = 239,848.20 : x
  2. Step 2: Convert to fraction form
    987,802.20/1,481,703.30 = 239,848.20/x
  3. Step 3: Cross multiply
    987,802.20x = 1,481,703.30 × 239,848.20
  4. Step 4: Simplify right side
    987,802.20x = 355,383,869,439.06
  5. Step 5: Solve for x
    x = 355,383,869,439.06/987,802.20
  6. Step 6: Final answer
    x = 359,772.30

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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.