Home / 711,037.88-1,066,451.94-261,654.36

Finding the Fourth Proportional to 711,037.88, 1,066,451.94 and 261,654.36

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Solution

The fourth proportional to 711,037.88, 1,066,451.94 and 261,654.36 is: 392,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,037.88 : 1,066,451.94 = 261,654.36 : x
  2. Step 2: Convert to fraction form
    711,037.88/1,066,451.94 = 261,654.36/x
  3. Step 3: Cross multiply
    711,037.88x = 1,066,451.94 × 261,654.36
  4. Step 4: Simplify right side
    711,037.88x = 279,041,799,831.46
  5. Step 5: Solve for x
    x = 279,041,799,831.46/711,037.88
  6. Step 6: Final answer
    x = 392,442.95

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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.