Home / 762,043.42-1,143,590.01-263,407.42

Finding the Fourth Proportional to 762,043.42, 1,143,590.01 and 263,407.42

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Solution

The fourth proportional to 762,043.42, 1,143,590.01 and 263,407.42 is: 395,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,043.42 : 1,143,590.01 = 263,407.42 : x
  2. Step 2: Convert to fraction form
    762,043.42/1,143,590.01 = 263,407.42/x
  3. Step 3: Cross multiply
    762,043.42x = 1,143,590.01 × 263,407.42
  4. Step 4: Simplify right side
    762,043.42x = 301,230,094,071.87
  5. Step 5: Solve for x
    x = 301,230,094,071.87/762,043.42
  6. Step 6: Final answer
    x = 395,292.56

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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.