Home / 698,147.86-1,047,232.32-265,889.25

Finding the Fourth Proportional to 698,147.86, 1,047,232.32 and 265,889.25

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Solution

The fourth proportional to 698,147.86, 1,047,232.32 and 265,889.25 is: 398,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,147.86 : 1,047,232.32 = 265,889.25 : x
  2. Step 2: Convert to fraction form
    698,147.86/1,047,232.32 = 265,889.25/x
  3. Step 3: Cross multiply
    698,147.86x = 1,047,232.32 × 265,889.25
  4. Step 4: Simplify right side
    698,147.86x = 278,447,816,140.56
  5. Step 5: Solve for x
    x = 278,447,816,140.56/698,147.86
  6. Step 6: Final answer
    x = 398,837.89

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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.