Home / 990,694.56-1,367,163.76-561,058.32

Finding the Fourth Proportional to 990,694.56, 1,367,163.76 and 561,058.32

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Solution

The fourth proportional to 990,694.56, 1,367,163.76 and 561,058.32 is: 774,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,694.56 : 1,367,163.76 = 561,058.32 : x
  2. Step 2: Convert to fraction form
    990,694.56/1,367,163.76 = 561,058.32/x
  3. Step 3: Cross multiply
    990,694.56x = 1,367,163.76 × 561,058.32
  4. Step 4: Simplify right side
    990,694.56x = 767,058,602,350.48
  5. Step 5: Solve for x
    x = 767,058,602,350.48/990,694.56
  6. Step 6: Final answer
    x = 774,263.46

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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.