Home / 945,946.76-1,305,434.07-516,254.72

Finding the Fourth Proportional to 945,946.76, 1,305,434.07 and 516,254.72

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Solution

The fourth proportional to 945,946.76, 1,305,434.07 and 516,254.72 is: 712,446.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,946.76 : 1,305,434.07 = 516,254.72 : x
  2. Step 2: Convert to fraction form
    945,946.76/1,305,434.07 = 516,254.72/x
  3. Step 3: Cross multiply
    945,946.76x = 1,305,434.07 × 516,254.72
  4. Step 4: Simplify right side
    945,946.76x = 673,936,493,759.14
  5. Step 5: Solve for x
    x = 673,936,493,759.14/945,946.76
  6. Step 6: Final answer
    x = 712,446.54

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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.