Home / 742,902.98-1,114,355.70-237,504.72

Finding the Fourth Proportional to 742,902.98, 1,114,355.70 and 237,504.72

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Solution

The fourth proportional to 742,902.98, 1,114,355.70 and 237,504.72 is: 356,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,902.98 : 1,114,355.70 = 237,504.72 : x
  2. Step 2: Convert to fraction form
    742,902.98/1,114,355.70 = 237,504.72/x
  3. Step 3: Cross multiply
    742,902.98x = 1,114,355.70 × 237,504.72
  4. Step 4: Simplify right side
    742,902.98x = 264,664,738,508.90
  5. Step 5: Solve for x
    x = 264,664,738,508.90/742,902.98
  6. Step 6: Final answer
    x = 356,257.47

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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.