Home / 731,324.05-1,009,145.64-409,027.69

Finding the Fourth Proportional to 731,324.05, 1,009,145.64 and 409,027.69

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Solution

The fourth proportional to 731,324.05, 1,009,145.64 and 409,027.69 is: 564,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,324.05 : 1,009,145.64 = 409,027.69 : x
  2. Step 2: Convert to fraction form
    731,324.05/1,009,145.64 = 409,027.69/x
  3. Step 3: Cross multiply
    731,324.05x = 1,009,145.64 × 409,027.69
  4. Step 4: Simplify right side
    731,324.05x = 412,768,510,002.77
  5. Step 5: Solve for x
    x = 412,768,510,002.77/731,324.05
  6. Step 6: Final answer
    x = 564,412.60

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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.