Home / 731,759.36-1,009,794.94-405,084.60

Finding the Fourth Proportional to 731,759.36, 1,009,794.94 and 405,084.60

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Solution

The fourth proportional to 731,759.36, 1,009,794.94 and 405,084.60 is: 558,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,759.36 : 1,009,794.94 = 405,084.60 : x
  2. Step 2: Convert to fraction form
    731,759.36/1,009,794.94 = 405,084.60/x
  3. Step 3: Cross multiply
    731,759.36x = 1,009,794.94 × 405,084.60
  4. Step 4: Simplify right side
    731,759.36x = 409,052,378,339.21
  5. Step 5: Solve for x
    x = 409,052,378,339.21/731,759.36
  6. Step 6: Final answer
    x = 558,998.50

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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.