Home / 658,678.42-908,964.36-372,192.34

Finding the Fourth Proportional to 658,678.42, 908,964.36 and 372,192.34

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Solution

The fourth proportional to 658,678.42, 908,964.36 and 372,192.34 is: 513,618.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,678.42 : 908,964.36 = 372,192.34 : x
  2. Step 2: Convert to fraction form
    658,678.42/908,964.36 = 372,192.34/x
  3. Step 3: Cross multiply
    658,678.42x = 908,964.36 × 372,192.34
  4. Step 4: Simplify right side
    658,678.42x = 338,309,572,125.00
  5. Step 5: Solve for x
    x = 338,309,572,125.00/658,678.42
  6. Step 6: Final answer
    x = 513,618.73

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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.