Home / 946,560.78-1,306,306.80-516,880.80

Finding the Fourth Proportional to 946,560.78, 1,306,306.80 and 516,880.80

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Solution

The fourth proportional to 946,560.78, 1,306,306.80 and 516,880.80 is: 713,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,560.78 : 1,306,306.80 = 516,880.80 : x
  2. Step 2: Convert to fraction form
    946,560.78/1,306,306.80 = 516,880.80/x
  3. Step 3: Cross multiply
    946,560.78x = 1,306,306.80 × 516,880.80
  4. Step 4: Simplify right side
    946,560.78x = 675,204,903,829.44
  5. Step 5: Solve for x
    x = 675,204,903,829.44/946,560.78
  6. Step 6: Final answer
    x = 713,324.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.