Home / 669,787.80-1,004,681.70-248,976.60

Finding the Fourth Proportional to 669,787.80, 1,004,681.70 and 248,976.60

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Solution

The fourth proportional to 669,787.80, 1,004,681.70 and 248,976.60 is: 373,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,787.80 : 1,004,681.70 = 248,976.60 : x
  2. Step 2: Convert to fraction form
    669,787.80/1,004,681.70 = 248,976.60/x
  3. Step 3: Cross multiply
    669,787.80x = 1,004,681.70 × 248,976.60
  4. Step 4: Simplify right side
    669,787.80x = 250,142,233,748.22
  5. Step 5: Solve for x
    x = 250,142,233,748.22/669,787.80
  6. Step 6: Final answer
    x = 373,464.90

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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.