Home / 880,830.70-1,321,246.05-249,736.30

Finding the Fourth Proportional to 880,830.70, 1,321,246.05 and 249,736.30

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Solution

The fourth proportional to 880,830.70, 1,321,246.05 and 249,736.30 is: 374,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,830.70 : 1,321,246.05 = 249,736.30 : x
  2. Step 2: Convert to fraction form
    880,830.70/1,321,246.05 = 249,736.30/x
  3. Step 3: Cross multiply
    880,830.70x = 1,321,246.05 × 249,736.30
  4. Step 4: Simplify right side
    880,830.70x = 329,963,099,916.62
  5. Step 5: Solve for x
    x = 329,963,099,916.62/880,830.70
  6. Step 6: Final answer
    x = 374,604.45

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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.