Home / 762,473.82-1,145,498.04-719,386.68

Finding the Fourth Proportional to 762,473.82, 1,145,498.04 and 719,386.68

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Solution

The fourth proportional to 762,473.82, 1,145,498.04 and 719,386.68 is: 1,080,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,473.82 : 1,145,498.04 = 719,386.68 : x
  2. Step 2: Convert to fraction form
    762,473.82/1,145,498.04 = 719,386.68/x
  3. Step 3: Cross multiply
    762,473.82x = 1,145,498.04 × 719,386.68
  4. Step 4: Simplify right side
    762,473.82x = 824,056,031,942.11
  5. Step 5: Solve for x
    x = 824,056,031,942.11/762,473.82
  6. Step 6: Final answer
    x = 1,080,766.33

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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.