Home / 862,301.07-1,189,976.58-469,832.18

Finding the Fourth Proportional to 862,301.07, 1,189,976.58 and 469,832.18

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Solution

The fourth proportional to 862,301.07, 1,189,976.58 and 469,832.18 is: 648,369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,301.07 : 1,189,976.58 = 469,832.18 : x
  2. Step 2: Convert to fraction form
    862,301.07/1,189,976.58 = 469,832.18/x
  3. Step 3: Cross multiply
    862,301.07x = 1,189,976.58 × 469,832.18
  4. Step 4: Simplify right side
    862,301.07x = 559,089,284,780.46
  5. Step 5: Solve for x
    x = 559,089,284,780.46/862,301.07
  6. Step 6: Final answer
    x = 648,369.00

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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.