Home / 624,295.20-936,442.80-270,001.20

Finding the Fourth Proportional to 624,295.20, 936,442.80 and 270,001.20

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Solution

The fourth proportional to 624,295.20, 936,442.80 and 270,001.20 is: 405,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,295.20 : 936,442.80 = 270,001.20 : x
  2. Step 2: Convert to fraction form
    624,295.20/936,442.80 = 270,001.20/x
  3. Step 3: Cross multiply
    624,295.20x = 936,442.80 × 270,001.20
  4. Step 4: Simplify right side
    624,295.20x = 252,840,679,731.36
  5. Step 5: Solve for x
    x = 252,840,679,731.36/624,295.20
  6. Step 6: Final answer
    x = 405,001.80

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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.