Home / 680,585.12-1,020,934.38-207,274.58

Finding the Fourth Proportional to 680,585.12, 1,020,934.38 and 207,274.58

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Solution

The fourth proportional to 680,585.12, 1,020,934.38 and 207,274.58 is: 310,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,585.12 : 1,020,934.38 = 207,274.58 : x
  2. Step 2: Convert to fraction form
    680,585.12/1,020,934.38 = 207,274.58/x
  3. Step 3: Cross multiply
    680,585.12x = 1,020,934.38 × 207,274.58
  4. Step 4: Simplify right side
    680,585.12x = 211,613,744,822.06
  5. Step 5: Solve for x
    x = 211,613,744,822.06/680,585.12
  6. Step 6: Final answer
    x = 310,929.14

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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.