Home / 945,972.75-1,305,470.07-516,280.44

Finding the Fourth Proportional to 945,972.75, 1,305,470.07 and 516,280.44

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Solution

The fourth proportional to 945,972.75, 1,305,470.07 and 516,280.44 is: 712,482.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,972.75 : 1,305,470.07 = 516,280.44 : x
  2. Step 2: Convert to fraction form
    945,972.75/1,305,470.07 = 516,280.44/x
  3. Step 3: Cross multiply
    945,972.75x = 1,305,470.07 × 516,280.44
  4. Step 4: Simplify right side
    945,972.75x = 673,988,662,146.43
  5. Step 5: Solve for x
    x = 673,988,662,146.43/945,972.75
  6. Step 6: Final answer
    x = 712,482.11

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Double scale
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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.