Home / 658,942.40-909,356.28-372,463.64

Finding the Fourth Proportional to 658,942.40, 909,356.28 and 372,463.64

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Solution

The fourth proportional to 658,942.40, 909,356.28 and 372,463.64 is: 514,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,942.40 : 909,356.28 = 372,463.64 : x
  2. Step 2: Convert to fraction form
    658,942.40/909,356.28 = 372,463.64/x
  3. Step 3: Cross multiply
    658,942.40x = 909,356.28 × 372,463.64
  4. Step 4: Simplify right side
    658,942.40x = 338,702,150,105.66
  5. Step 5: Solve for x
    x = 338,702,150,105.66/658,942.40
  6. Step 6: Final answer
    x = 514,008.74

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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.