Home / 698,146.86-1,047,230.82-265,888.25

Finding the Fourth Proportional to 698,146.86, 1,047,230.82 and 265,888.25

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Solution

The fourth proportional to 698,146.86, 1,047,230.82 and 265,888.25 is: 398,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,146.86 : 1,047,230.82 = 265,888.25 : x
  2. Step 2: Convert to fraction form
    698,146.86/1,047,230.82 = 265,888.25/x
  3. Step 3: Cross multiply
    698,146.86x = 1,047,230.82 × 265,888.25
  4. Step 4: Simplify right side
    698,146.86x = 278,446,368,766.83
  5. Step 5: Solve for x
    x = 278,446,368,766.83/698,146.86
  6. Step 6: Final answer
    x = 398,836.38

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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.