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Finding the Fourth Proportional to 417,299.13, 626,073.45 and 295,953.45

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Solution

The fourth proportional to 417,299.13, 626,073.45 and 295,953.45 is: 444,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,299.13 : 626,073.45 = 295,953.45 : x
  2. Step 2: Convert to fraction form
    417,299.13/626,073.45 = 295,953.45/x
  3. Step 3: Cross multiply
    417,299.13x = 626,073.45 × 295,953.45
  4. Step 4: Simplify right side
    417,299.13x = 185,288,597,480.90
  5. Step 5: Solve for x
    x = 185,288,597,480.90/417,299.13
  6. Step 6: Final answer
    x = 444,018.65

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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.