Home / 759,494.31-1,138,571.01-286,511.82

Finding the Fourth Proportional to 759,494.31, 1,138,571.01 and 286,511.82

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Solution

The fourth proportional to 759,494.31, 1,138,571.01 and 286,511.82 is: 429,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,494.31 : 1,138,571.01 = 286,511.82 : x
  2. Step 2: Convert to fraction form
    759,494.31/1,138,571.01 = 286,511.82/x
  3. Step 3: Cross multiply
    759,494.31x = 1,138,571.01 × 286,511.82
  4. Step 4: Simplify right side
    759,494.31x = 326,214,052,274.34
  5. Step 5: Solve for x
    x = 326,214,052,274.34/759,494.31
  6. Step 6: Final answer
    x = 429,514.81

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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.