Home / 987,493.68-1,362,738.36-534,784.56

Finding the Fourth Proportional to 987,493.68, 1,362,738.36 and 534,784.56

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Solution

The fourth proportional to 987,493.68, 1,362,738.36 and 534,784.56 is: 738,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,493.68 : 1,362,738.36 = 534,784.56 : x
  2. Step 2: Convert to fraction form
    987,493.68/1,362,738.36 = 534,784.56/x
  3. Step 3: Cross multiply
    987,493.68x = 1,362,738.36 × 534,784.56
  4. Step 4: Simplify right side
    987,493.68x = 728,771,434,247.72
  5. Step 5: Solve for x
    x = 728,771,434,247.72/987,493.68
  6. Step 6: Final answer
    x = 738,001.11

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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.