Home / 680,942.68-1,021,483.14-260,572.12

Finding the Fourth Proportional to 680,942.68, 1,021,483.14 and 260,572.12

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Solution

The fourth proportional to 680,942.68, 1,021,483.14 and 260,572.12 is: 390,884.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,942.68 : 1,021,483.14 = 260,572.12 : x
  2. Step 2: Convert to fraction form
    680,942.68/1,021,483.14 = 260,572.12/x
  3. Step 3: Cross multiply
    680,942.68x = 1,021,483.14 × 260,572.12
  4. Step 4: Simplify right side
    680,942.68x = 266,170,027,334.06
  5. Step 5: Solve for x
    x = 266,170,027,334.06/680,942.68
  6. Step 6: Final answer
    x = 390,884.63

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1.5x scale

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.