Home / 680,922.78-1,019,463.90-360,348.54

Finding the Fourth Proportional to 680,922.78, 1,019,463.90 and 360,348.54

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Solution

The fourth proportional to 680,922.78, 1,019,463.90 and 360,348.54 is: 539,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,922.78 : 1,019,463.90 = 360,348.54 : x
  2. Step 2: Convert to fraction form
    680,922.78/1,019,463.90 = 360,348.54/x
  3. Step 3: Cross multiply
    680,922.78x = 1,019,463.90 × 360,348.54
  4. Step 4: Simplify right side
    680,922.78x = 367,362,327,947.71
  5. Step 5: Solve for x
    x = 367,362,327,947.71/680,922.78
  6. Step 6: Final answer
    x = 539,506.59

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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.