Home / 937,236.80-1,405,970.40-305,979.20

Finding the Fourth Proportional to 937,236.80, 1,405,970.40 and 305,979.20

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Solution

The fourth proportional to 937,236.80, 1,405,970.40 and 305,979.20 is: 459,006.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,236.80 : 1,405,970.40 = 305,979.20 : x
  2. Step 2: Convert to fraction form
    937,236.80/1,405,970.40 = 305,979.20/x
  3. Step 3: Cross multiply
    937,236.80x = 1,405,970.40 × 305,979.20
  4. Step 4: Simplify right side
    937,236.80x = 430,197,698,215.68
  5. Step 5: Solve for x
    x = 430,197,698,215.68/937,236.80
  6. Step 6: Final answer
    x = 459,006.41

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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.