Home / 698,358.26-1,047,108.68-271,395.55

Finding the Fourth Proportional to 698,358.26, 1,047,108.68 and 271,395.55

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Solution

The fourth proportional to 698,358.26, 1,047,108.68 and 271,395.55 is: 406,926.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,358.26 : 1,047,108.68 = 271,395.55 : x
  2. Step 2: Convert to fraction form
    698,358.26/1,047,108.68 = 271,395.55/x
  3. Step 3: Cross multiply
    698,358.26x = 1,047,108.68 × 271,395.55
  4. Step 4: Simplify right side
    698,358.26x = 284,180,636,118.37
  5. Step 5: Solve for x
    x = 284,180,636,118.37/698,358.26
  6. Step 6: Final answer
    x = 406,926.72

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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.