Home / 680,556.29-1,020,927.86-231,156.51

Finding the Fourth Proportional to 680,556.29, 1,020,927.86 and 231,156.51

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Solution

The fourth proportional to 680,556.29, 1,020,927.86 and 231,156.51 is: 346,766.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,556.29 : 1,020,927.86 = 231,156.51 : x
  2. Step 2: Convert to fraction form
    680,556.29/1,020,927.86 = 231,156.51/x
  3. Step 3: Cross multiply
    680,556.29x = 1,020,927.86 × 231,156.51
  4. Step 4: Simplify right side
    680,556.29x = 235,994,119,923.59
  5. Step 5: Solve for x
    x = 235,994,119,923.59/680,556.29
  6. Step 6: Final answer
    x = 346,766.50

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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.