Home / 749,735.00-1,123,912.54-407,678.68

Finding the Fourth Proportional to 749,735.00, 1,123,912.54 and 407,678.68

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Solution

The fourth proportional to 749,735.00, 1,123,912.54 and 407,678.68 is: 611,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,735.00 : 1,123,912.54 = 407,678.68 : x
  2. Step 2: Convert to fraction form
    749,735.00/1,123,912.54 = 407,678.68/x
  3. Step 3: Cross multiply
    749,735.00x = 1,123,912.54 × 407,678.68
  4. Step 4: Simplify right side
    749,735.00x = 458,195,173,084.69
  5. Step 5: Solve for x
    x = 458,195,173,084.69/749,735.00
  6. Step 6: Final answer
    x = 611,142.84

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Double scale
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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.