Home / 680,589.62-1,021,115.31-301,459.40

Finding the Fourth Proportional to 680,589.62, 1,021,115.31 and 301,459.40

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Solution

The fourth proportional to 680,589.62, 1,021,115.31 and 301,459.40 is: 452,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,589.62 : 1,021,115.31 = 301,459.40 : x
  2. Step 2: Convert to fraction form
    680,589.62/1,021,115.31 = 301,459.40/x
  3. Step 3: Cross multiply
    680,589.62x = 1,021,115.31 × 301,459.40
  4. Step 4: Simplify right side
    680,589.62x = 307,824,808,683.41
  5. Step 5: Solve for x
    x = 307,824,808,683.41/680,589.62
  6. Step 6: Final answer
    x = 452,291.37

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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.