Home / 774,729.46-1,159,594.34-400,237.30

Finding the Fourth Proportional to 774,729.46, 1,159,594.34 and 400,237.30

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Solution

The fourth proportional to 774,729.46, 1,159,594.34 and 400,237.30 is: 599,064.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,729.46 : 1,159,594.34 = 400,237.30 : x
  2. Step 2: Convert to fraction form
    774,729.46/1,159,594.34 = 400,237.30/x
  3. Step 3: Cross multiply
    774,729.46x = 1,159,594.34 × 400,237.30
  4. Step 4: Simplify right side
    774,729.46x = 464,112,907,736.88
  5. Step 5: Solve for x
    x = 464,112,907,736.88/774,729.46
  6. Step 6: Final answer
    x = 599,064.49

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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.