Home / 731,149.64-1,008,999.79-408,852.82

Finding the Fourth Proportional to 731,149.64, 1,008,999.79 and 408,852.82

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Solution

The fourth proportional to 731,149.64, 1,008,999.79 and 408,852.82 is: 564,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,149.64 : 1,008,999.79 = 408,852.82 : x
  2. Step 2: Convert to fraction form
    731,149.64/1,008,999.79 = 408,852.82/x
  3. Step 3: Cross multiply
    731,149.64x = 1,008,999.79 × 408,852.82
  4. Step 4: Simplify right side
    731,149.64x = 412,532,404,084.40
  5. Step 5: Solve for x
    x = 412,532,404,084.40/731,149.64
  6. Step 6: Final answer
    x = 564,224.31

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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.