Home / 846,124.78-1,269,191.55-285,164.14

Finding the Fourth Proportional to 846,124.78, 1,269,191.55 and 285,164.14

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Solution

The fourth proportional to 846,124.78, 1,269,191.55 and 285,164.14 is: 427,747.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,124.78 : 1,269,191.55 = 285,164.14 : x
  2. Step 2: Convert to fraction form
    846,124.78/1,269,191.55 = 285,164.14/x
  3. Step 3: Cross multiply
    846,124.78x = 1,269,191.55 × 285,164.14
  4. Step 4: Simplify right side
    846,124.78x = 361,927,916,851.02
  5. Step 5: Solve for x
    x = 361,927,916,851.02/846,124.78
  6. Step 6: Final answer
    x = 427,747.69

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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.