Home / 727,857.63-1,092,399.89-307,435.23

Finding the Fourth Proportional to 727,857.63, 1,092,399.89 and 307,435.23

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Solution

The fourth proportional to 727,857.63, 1,092,399.89 and 307,435.23 is: 461,411.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,857.63 : 1,092,399.89 = 307,435.23 : x
  2. Step 2: Convert to fraction form
    727,857.63/1,092,399.89 = 307,435.23/x
  3. Step 3: Cross multiply
    727,857.63x = 1,092,399.89 × 307,435.23
  4. Step 4: Simplify right side
    727,857.63x = 335,842,209,896.95
  5. Step 5: Solve for x
    x = 335,842,209,896.95/727,857.63
  6. Step 6: Final answer
    x = 461,411.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.