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Finding the Fourth Proportional to 471,479.88, 650,656.33 and 290,296.34

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Solution

The fourth proportional to 471,479.88, 650,656.33 and 290,296.34 is: 400,617.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,479.88 : 650,656.33 = 290,296.34 : x
  2. Step 2: Convert to fraction form
    471,479.88/650,656.33 = 290,296.34/x
  3. Step 3: Cross multiply
    471,479.88x = 650,656.33 × 290,296.34
  4. Step 4: Simplify right side
    471,479.88x = 188,883,151,196.83
  5. Step 5: Solve for x
    x = 188,883,151,196.83/471,479.88
  6. Step 6: Final answer
    x = 400,617.63

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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.