Home / 763,902.45-1,053,790.07-518,899.82

Finding the Fourth Proportional to 763,902.45, 1,053,790.07 and 518,899.82

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Solution

The fourth proportional to 763,902.45, 1,053,790.07 and 518,899.82 is: 715,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,902.45 : 1,053,790.07 = 518,899.82 : x
  2. Step 2: Convert to fraction form
    763,902.45/1,053,790.07 = 518,899.82/x
  3. Step 3: Cross multiply
    763,902.45x = 1,053,790.07 × 518,899.82
  4. Step 4: Simplify right side
    763,902.45x = 546,811,469,777.34
  5. Step 5: Solve for x
    x = 546,811,469,777.34/763,902.45
  6. Step 6: Final answer
    x = 715,813.22

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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.