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Finding the Fourth Proportional to 668,182.78, 1,001,797.98 and 313,003

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Solution

The fourth proportional to 668,182.78, 1,001,797.98 and 313,003 is: 469,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,182.78 : 1,001,797.98 = 313,003 : x
  2. Step 2: Convert to fraction form
    668,182.78/1,001,797.98 = 313,003/x
  3. Step 3: Cross multiply
    668,182.78x = 1,001,797.98 × 313,003
  4. Step 4: Simplify right side
    668,182.78x = 313,565,773,133.94
  5. Step 5: Solve for x
    x = 313,565,773,133.94/668,182.78
  6. Step 6: Final answer
    x = 469,281.43

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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.