Home / 680,404.62-1,020,569.40-207,053.04

Finding the Fourth Proportional to 680,404.62, 1,020,569.40 and 207,053.04

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Solution

The fourth proportional to 680,404.62, 1,020,569.40 and 207,053.04 is: 310,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,404.62 : 1,020,569.40 = 207,053.04 : x
  2. Step 2: Convert to fraction form
    680,404.62/1,020,569.40 = 207,053.04/x
  3. Step 3: Cross multiply
    680,404.62x = 1,020,569.40 × 207,053.04
  4. Step 4: Simplify right side
    680,404.62x = 211,311,996,800.98
  5. Step 5: Solve for x
    x = 211,311,996,800.98/680,404.62
  6. Step 6: Final answer
    x = 310,568.14

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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.