Home / 902,977.37-1,245,933.30-535,386.61

Finding the Fourth Proportional to 902,977.37, 1,245,933.30 and 535,386.61

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Solution

The fourth proportional to 902,977.37, 1,245,933.30 and 535,386.61 is: 738,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,977.37 : 1,245,933.30 = 535,386.61 : x
  2. Step 2: Convert to fraction form
    902,977.37/1,245,933.30 = 535,386.61/x
  3. Step 3: Cross multiply
    902,977.37x = 1,245,933.30 × 535,386.61
  4. Step 4: Simplify right side
    902,977.37x = 667,056,005,773.11
  5. Step 5: Solve for x
    x = 667,056,005,773.11/902,977.37
  6. Step 6: Final answer
    x = 738,729.48

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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.