Home / 876,634.25-1,313,853.68-470,829.21

Finding the Fourth Proportional to 876,634.25, 1,313,853.68 and 470,829.21

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Solution

The fourth proportional to 876,634.25, 1,313,853.68 and 470,829.21 is: 705,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,634.25 : 1,313,853.68 = 470,829.21 : x
  2. Step 2: Convert to fraction form
    876,634.25/1,313,853.68 = 470,829.21/x
  3. Step 3: Cross multiply
    876,634.25x = 1,313,853.68 × 470,829.21
  4. Step 4: Simplify right side
    876,634.25x = 618,600,687,855.85
  5. Step 5: Solve for x
    x = 618,600,687,855.85/876,634.25
  6. Step 6: Final answer
    x = 705,654.26

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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.