Home / 666,864.12-1,000,409.94-246,142.20

Finding the Fourth Proportional to 666,864.12, 1,000,409.94 and 246,142.20

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Solution

The fourth proportional to 666,864.12, 1,000,409.94 and 246,142.20 is: 369,255.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,864.12 : 1,000,409.94 = 246,142.20 : x
  2. Step 2: Convert to fraction form
    666,864.12/1,000,409.94 = 246,142.20/x
  3. Step 3: Cross multiply
    666,864.12x = 1,000,409.94 × 246,142.20
  4. Step 4: Simplify right side
    666,864.12x = 246,243,103,533.47
  5. Step 5: Solve for x
    x = 246,243,103,533.47/666,864.12
  6. Step 6: Final answer
    x = 369,255.29

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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.