Home / 899,381.43-1,240,999.04-531,807.48

Finding the Fourth Proportional to 899,381.43, 1,240,999.04 and 531,807.48

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Solution

The fourth proportional to 899,381.43, 1,240,999.04 and 531,807.48 is: 733,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,381.43 : 1,240,999.04 = 531,807.48 : x
  2. Step 2: Convert to fraction form
    899,381.43/1,240,999.04 = 531,807.48/x
  3. Step 3: Cross multiply
    899,381.43x = 1,240,999.04 × 531,807.48
  4. Step 4: Simplify right side
    899,381.43x = 659,972,573,474.34
  5. Step 5: Solve for x
    x = 659,972,573,474.34/899,381.43
  6. Step 6: Final answer
    x = 733,807.21

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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.