Home / 714,670.71-1,070,998.22-394,966.55

Finding the Fourth Proportional to 714,670.71, 1,070,998.22 and 394,966.55

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Solution

The fourth proportional to 714,670.71, 1,070,998.22 and 394,966.55 is: 591,892.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,670.71 : 1,070,998.22 = 394,966.55 : x
  2. Step 2: Convert to fraction form
    714,670.71/1,070,998.22 = 394,966.55/x
  3. Step 3: Cross multiply
    714,670.71x = 1,070,998.22 × 394,966.55
  4. Step 4: Simplify right side
    714,670.71x = 423,008,464,679.72
  5. Step 5: Solve for x
    x = 423,008,464,679.72/714,670.71
  6. Step 6: Final answer
    x = 591,892.82

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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.