Home / 718,868.66-992,035.93-396,598.82

Finding the Fourth Proportional to 718,868.66, 992,035.93 and 396,598.82

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Solution

The fourth proportional to 718,868.66, 992,035.93 and 396,598.82 is: 547,304.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,868.66 : 992,035.93 = 396,598.82 : x
  2. Step 2: Convert to fraction form
    718,868.66/992,035.93 = 396,598.82/x
  3. Step 3: Cross multiply
    718,868.66x = 992,035.93 × 396,598.82
  4. Step 4: Simplify right side
    718,868.66x = 393,440,273,283.93
  5. Step 5: Solve for x
    x = 393,440,273,283.93/718,868.66
  6. Step 6: Final answer
    x = 547,304.81

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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.