Home / 666,324.18-997,884.90-381,150.18

Finding the Fourth Proportional to 666,324.18, 997,884.90 and 381,150.18

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Solution

The fourth proportional to 666,324.18, 997,884.90 and 381,150.18 is: 570,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,324.18 : 997,884.90 = 381,150.18 : x
  2. Step 2: Convert to fraction form
    666,324.18/997,884.90 = 381,150.18/x
  3. Step 3: Cross multiply
    666,324.18x = 997,884.90 × 381,150.18
  4. Step 4: Simplify right side
    666,324.18x = 380,344,009,254.28
  5. Step 5: Solve for x
    x = 380,344,009,254.28/666,324.18
  6. Step 6: Final answer
    x = 570,809.26

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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.