Home / 680,535.14-1,020,957.62-207,257.40

Finding the Fourth Proportional to 680,535.14, 1,020,957.62 and 207,257.40

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Solution

The fourth proportional to 680,535.14, 1,020,957.62 and 207,257.40 is: 310,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,535.14 : 1,020,957.62 = 207,257.40 : x
  2. Step 2: Convert to fraction form
    680,535.14/1,020,957.62 = 207,257.40/x
  3. Step 3: Cross multiply
    680,535.14x = 1,020,957.62 × 207,257.40
  4. Step 4: Simplify right side
    680,535.14x = 211,601,020,795.10
  5. Step 5: Solve for x
    x = 211,601,020,795.10/680,535.14
  6. Step 6: Final answer
    x = 310,933.28

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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.