Home / 823,442.86-1,235,282.34-254,873.89

Finding the Fourth Proportional to 823,442.86, 1,235,282.34 and 254,873.89

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Solution

The fourth proportional to 823,442.86, 1,235,282.34 and 254,873.89 is: 382,347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,442.86 : 1,235,282.34 = 254,873.89 : x
  2. Step 2: Convert to fraction form
    823,442.86/1,235,282.34 = 254,873.89/x
  3. Step 3: Cross multiply
    823,442.86x = 1,235,282.34 × 254,873.89
  4. Step 4: Simplify right side
    823,442.86x = 314,841,212,155.90
  5. Step 5: Solve for x
    x = 314,841,212,155.90/823,442.86
  6. Step 6: Final answer
    x = 382,347.37

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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.