Home / 762,147.68-1,051,688.03-439,961.58

Finding the Fourth Proportional to 762,147.68, 1,051,688.03 and 439,961.58

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Solution

The fourth proportional to 762,147.68, 1,051,688.03 and 439,961.58 is: 607,103.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,147.68 : 1,051,688.03 = 439,961.58 : x
  2. Step 2: Convert to fraction form
    762,147.68/1,051,688.03 = 439,961.58/x
  3. Step 3: Cross multiply
    762,147.68x = 1,051,688.03 × 439,961.58
  4. Step 4: Simplify right side
    762,147.68x = 462,702,325,146.08
  5. Step 5: Solve for x
    x = 462,702,325,146.08/762,147.68
  6. Step 6: Final answer
    x = 607,103.24

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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.