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Finding the Fourth Proportional to 644,903.70, 967,355.55 and 495,896.10

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Solution

The fourth proportional to 644,903.70, 967,355.55 and 495,896.10 is: 743,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,903.70 : 967,355.55 = 495,896.10 : x
  2. Step 2: Convert to fraction form
    644,903.70/967,355.55 = 495,896.10/x
  3. Step 3: Cross multiply
    644,903.70x = 967,355.55 × 495,896.10
  4. Step 4: Simplify right side
    644,903.70x = 479,707,844,558.36
  5. Step 5: Solve for x
    x = 479,707,844,558.36/644,903.70
  6. Step 6: Final answer
    x = 743,844.15

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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.