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Finding the Fourth Proportional to 668,357.12, 1,002,666.84 and 294,380

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Solution

The fourth proportional to 668,357.12, 1,002,666.84 and 294,380 is: 441,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,357.12 : 1,002,666.84 = 294,380 : x
  2. Step 2: Convert to fraction form
    668,357.12/1,002,666.84 = 294,380/x
  3. Step 3: Cross multiply
    668,357.12x = 1,002,666.84 × 294,380
  4. Step 4: Simplify right side
    668,357.12x = 295,165,064,359.20
  5. Step 5: Solve for x
    x = 295,165,064,359.20/668,357.12
  6. Step 6: Final answer
    x = 441,627.77

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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.