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Finding the Fourth Proportional to 650,656.45, 897,917 and 356,332.04

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Solution

The fourth proportional to 650,656.45, 897,917 and 356,332.04 is: 491,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,656.45 : 897,917 = 356,332.04 : x
  2. Step 2: Convert to fraction form
    650,656.45/897,917 = 356,332.04/x
  3. Step 3: Cross multiply
    650,656.45x = 897,917 × 356,332.04
  4. Step 4: Simplify right side
    650,656.45x = 319,956,596,360.68
  5. Step 5: Solve for x
    x = 319,956,596,360.68/650,656.45
  6. Step 6: Final answer
    x = 491,744.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.