Home / 680,886.68-1,021,330.01-207,567.94

Finding the Fourth Proportional to 680,886.68, 1,021,330.01 and 207,567.94

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Solution

The fourth proportional to 680,886.68, 1,021,330.01 and 207,567.94 is: 311,351.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,886.68 : 1,021,330.01 = 207,567.94 : x
  2. Step 2: Convert to fraction form
    680,886.68/1,021,330.01 = 207,567.94/x
  3. Step 3: Cross multiply
    680,886.68x = 1,021,330.01 × 207,567.94
  4. Step 4: Simplify right side
    680,886.68x = 211,995,366,235.88
  5. Step 5: Solve for x
    x = 211,995,366,235.88/680,886.68
  6. Step 6: Final answer
    x = 311,351.91

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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.