Home / 825,047.64-1,237,924.42-345,387.51

Finding the Fourth Proportional to 825,047.64, 1,237,924.42 and 345,387.51

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Solution

The fourth proportional to 825,047.64, 1,237,924.42 and 345,387.51 is: 518,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,047.64 : 1,237,924.42 = 345,387.51 : x
  2. Step 2: Convert to fraction form
    825,047.64/1,237,924.42 = 345,387.51/x
  3. Step 3: Cross multiply
    825,047.64x = 1,237,924.42 × 345,387.51
  4. Step 4: Simplify right side
    825,047.64x = 427,563,632,128.53
  5. Step 5: Solve for x
    x = 427,563,632,128.53/825,047.64
  6. Step 6: Final answer
    x = 518,229.02

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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.