Home / 863,612.51-1,296,541.31-664,073.02

Finding the Fourth Proportional to 863,612.51, 1,296,541.31 and 664,073.02

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Solution

The fourth proportional to 863,612.51, 1,296,541.31 and 664,073.02 is: 996,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,612.51 : 1,296,541.31 = 664,073.02 : x
  2. Step 2: Convert to fraction form
    863,612.51/1,296,541.31 = 664,073.02/x
  3. Step 3: Cross multiply
    863,612.51x = 1,296,541.31 × 664,073.02
  4. Step 4: Simplify right side
    863,612.51x = 860,998,107,753.19
  5. Step 5: Solve for x
    x = 860,998,107,753.19/863,612.51
  6. Step 6: Final answer
    x = 996,972.72

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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.