Home / 762,147.13-1,051,687.24-439,961.02

Finding the Fourth Proportional to 762,147.13, 1,051,687.24 and 439,961.02

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Solution

The fourth proportional to 762,147.13, 1,051,687.24 and 439,961.02 is: 607,102.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,147.13 : 1,051,687.24 = 439,961.02 : x
  2. Step 2: Convert to fraction form
    762,147.13/1,051,687.24 = 439,961.02/x
  3. Step 3: Cross multiply
    762,147.13x = 1,051,687.24 × 439,961.02
  4. Step 4: Simplify right side
    762,147.13x = 462,701,395,492.79
  5. Step 5: Solve for x
    x = 462,701,395,492.79/762,147.13
  6. Step 6: Final answer
    x = 607,102.46

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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.