Home / 855,985.62-1,284,228.42-382,560.27

Finding the Fourth Proportional to 855,985.62, 1,284,228.42 and 382,560.27

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Solution

The fourth proportional to 855,985.62, 1,284,228.42 and 382,560.27 is: 573,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,985.62 : 1,284,228.42 = 382,560.27 : x
  2. Step 2: Convert to fraction form
    855,985.62/1,284,228.42 = 382,560.27/x
  3. Step 3: Cross multiply
    855,985.62x = 1,284,228.42 × 382,560.27
  4. Step 4: Simplify right side
    855,985.62x = 491,294,771,096.87
  5. Step 5: Solve for x
    x = 491,294,771,096.87/855,985.62
  6. Step 6: Final answer
    x = 573,952.13

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1.5x scale

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.