Home / 729,783.72-1,007,797.14-690,024.60

Finding the Fourth Proportional to 729,783.72, 1,007,797.14 and 690,024.60

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Solution

The fourth proportional to 729,783.72, 1,007,797.14 and 690,024.60 is: 952,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,783.72 : 1,007,797.14 = 690,024.60 : x
  2. Step 2: Convert to fraction form
    729,783.72/1,007,797.14 = 690,024.60/x
  3. Step 3: Cross multiply
    729,783.72x = 1,007,797.14 × 690,024.60
  4. Step 4: Simplify right side
    729,783.72x = 695,404,818,409.64
  5. Step 5: Solve for x
    x = 695,404,818,409.64/729,783.72
  6. Step 6: Final answer
    x = 952,891.66

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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.