Home / 769,995.19-1,062,724.47-447,892

Finding the Fourth Proportional to 769,995.19, 1,062,724.47 and 447,892

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Solution

The fourth proportional to 769,995.19, 1,062,724.47 and 447,892 is: 618,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,995.19 : 1,062,724.47 = 447,892 : x
  2. Step 2: Convert to fraction form
    769,995.19/1,062,724.47 = 447,892/x
  3. Step 3: Cross multiply
    769,995.19x = 1,062,724.47 × 447,892
  4. Step 4: Simplify right side
    769,995.19x = 475,985,788,317.24
  5. Step 5: Solve for x
    x = 475,985,788,317.24/769,995.19
  6. Step 6: Final answer
    x = 618,167.22

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1.5x scale

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.