Home / 762,649.83-1,143,268.56-282,610.35

Finding the Fourth Proportional to 762,649.83, 1,143,268.56 and 282,610.35

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Solution

The fourth proportional to 762,649.83, 1,143,268.56 and 282,610.35 is: 423,653.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,649.83 : 1,143,268.56 = 282,610.35 : x
  2. Step 2: Convert to fraction form
    762,649.83/1,143,268.56 = 282,610.35/x
  3. Step 3: Cross multiply
    762,649.83x = 1,143,268.56 × 282,610.35
  4. Step 4: Simplify right side
    762,649.83x = 323,099,527,885.60
  5. Step 5: Solve for x
    x = 323,099,527,885.60/762,649.83
  6. Step 6: Final answer
    x = 423,653.84

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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.