Home / 922,057.98-1,382,754.47-389,620.28

Finding the Fourth Proportional to 922,057.98, 1,382,754.47 and 389,620.28

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Solution

The fourth proportional to 922,057.98, 1,382,754.47 and 389,620.28 is: 584,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,057.98 : 1,382,754.47 = 389,620.28 : x
  2. Step 2: Convert to fraction form
    922,057.98/1,382,754.47 = 389,620.28/x
  3. Step 3: Cross multiply
    922,057.98x = 1,382,754.47 × 389,620.28
  4. Step 4: Simplify right side
    922,057.98x = 538,749,174,910.78
  5. Step 5: Solve for x
    x = 538,749,174,910.78/922,057.98
  6. Step 6: Final answer
    x = 584,289.91

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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.