Home / 719,474.37-992,862.03-397,176.18

Finding the Fourth Proportional to 719,474.37, 992,862.03 and 397,176.18

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Solution

The fourth proportional to 719,474.37, 992,862.03 and 397,176.18 is: 548,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,474.37 : 992,862.03 = 397,176.18 : x
  2. Step 2: Convert to fraction form
    719,474.37/992,862.03 = 397,176.18/x
  3. Step 3: Cross multiply
    719,474.37x = 992,862.03 × 397,176.18
  4. Step 4: Simplify right side
    719,474.37x = 394,341,148,342.45
  5. Step 5: Solve for x
    x = 394,341,148,342.45/719,474.37
  6. Step 6: Final answer
    x = 548,096.17

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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.