Home / 734,942.01-1,014,248.42-408,279.76

Finding the Fourth Proportional to 734,942.01, 1,014,248.42 and 408,279.76

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Solution

The fourth proportional to 734,942.01, 1,014,248.42 and 408,279.76 is: 563,441.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,942.01 : 1,014,248.42 = 408,279.76 : x
  2. Step 2: Convert to fraction form
    734,942.01/1,014,248.42 = 408,279.76/x
  3. Step 3: Cross multiply
    734,942.01x = 1,014,248.42 × 408,279.76
  4. Step 4: Simplify right side
    734,942.01x = 414,097,096,920.96
  5. Step 5: Solve for x
    x = 414,097,096,920.96/734,942.01
  6. Step 6: Final answer
    x = 563,441.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.