Home / 891,857.45-1,337,990.54-386,503.27

Finding the Fourth Proportional to 891,857.45, 1,337,990.54 and 386,503.27

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Solution

The fourth proportional to 891,857.45, 1,337,990.54 and 386,503.27 is: 579,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,857.45 : 1,337,990.54 = 386,503.27 : x
  2. Step 2: Convert to fraction form
    891,857.45/1,337,990.54 = 386,503.27/x
  3. Step 3: Cross multiply
    891,857.45x = 1,337,990.54 × 386,503.27
  4. Step 4: Simplify right side
    891,857.45x = 517,137,713,661.57
  5. Step 5: Solve for x
    x = 517,137,713,661.57/891,857.45
  6. Step 6: Final answer
    x = 579,843.46

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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.