Home / 783,982.10-1,081,975.65-461,793.62

Finding the Fourth Proportional to 783,982.10, 1,081,975.65 and 461,793.62

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Solution

The fourth proportional to 783,982.10, 1,081,975.65 and 461,793.62 is: 637,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,982.10 : 1,081,975.65 = 461,793.62 : x
  2. Step 2: Convert to fraction form
    783,982.10/1,081,975.65 = 461,793.62/x
  3. Step 3: Cross multiply
    783,982.10x = 1,081,975.65 × 461,793.62
  4. Step 4: Simplify right side
    783,982.10x = 499,649,452,165.35
  5. Step 5: Solve for x
    x = 499,649,452,165.35/783,982.10
  6. Step 6: Final answer
    x = 637,322.53

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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.