Home / 668,824.64-1,002,810.24-440,857.12

Finding the Fourth Proportional to 668,824.64, 1,002,810.24 and 440,857.12

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Solution

The fourth proportional to 668,824.64, 1,002,810.24 and 440,857.12 is: 661,004.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,824.64 : 1,002,810.24 = 440,857.12 : x
  2. Step 2: Convert to fraction form
    668,824.64/1,002,810.24 = 440,857.12/x
  3. Step 3: Cross multiply
    668,824.64x = 1,002,810.24 × 440,857.12
  4. Step 4: Simplify right side
    668,824.64x = 442,096,034,312.91
  5. Step 5: Solve for x
    x = 442,096,034,312.91/668,824.64
  6. Step 6: Final answer
    x = 661,004.41

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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.