Home / 762,148.55-1,051,689.18-439,962.44

Finding the Fourth Proportional to 762,148.55, 1,051,689.18 and 439,962.44

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Solution

The fourth proportional to 762,148.55, 1,051,689.18 and 439,962.44 is: 607,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,148.55 : 1,051,689.18 = 439,962.44 : x
  2. Step 2: Convert to fraction form
    762,148.55/1,051,689.18 = 439,962.44/x
  3. Step 3: Cross multiply
    762,148.55x = 1,051,689.18 × 439,962.44
  4. Step 4: Simplify right side
    762,148.55x = 462,703,730,296.14
  5. Step 5: Solve for x
    x = 462,703,730,296.14/762,148.55
  6. Step 6: Final answer
    x = 607,104.39

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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.