Home / 680,001.96-1,020,036.22-259,199.40

Finding the Fourth Proportional to 680,001.96, 1,020,036.22 and 259,199.40

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Solution

The fourth proportional to 680,001.96, 1,020,036.22 and 259,199.40 is: 388,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,001.96 : 1,020,036.22 = 259,199.40 : x
  2. Step 2: Convert to fraction form
    680,001.96/1,020,036.22 = 259,199.40/x
  3. Step 3: Cross multiply
    680,001.96x = 1,020,036.22 × 259,199.40
  4. Step 4: Simplify right side
    680,001.96x = 264,392,776,202.27
  5. Step 5: Solve for x
    x = 264,392,776,202.27/680,001.96
  6. Step 6: Final answer
    x = 388,811.79

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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.