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Finding the Fourth Proportional to 560,521.05, 773,535.38 and 305,888.64

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Solution

The fourth proportional to 560,521.05, 773,535.38 and 305,888.64 is: 422,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,521.05 : 773,535.38 = 305,888.64 : x
  2. Step 2: Convert to fraction form
    560,521.05/773,535.38 = 305,888.64/x
  3. Step 3: Cross multiply
    560,521.05x = 773,535.38 × 305,888.64
  4. Step 4: Simplify right side
    560,521.05x = 236,615,685,380.08
  5. Step 5: Solve for x
    x = 236,615,685,380.08/560,521.05
  6. Step 6: Final answer
    x = 422,135.24

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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.