Home / 981,376.33-1,472,062.66-307,509.25

Finding the Fourth Proportional to 981,376.33, 1,472,062.66 and 307,509.25

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Solution

The fourth proportional to 981,376.33, 1,472,062.66 and 307,509.25 is: 461,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,376.33 : 1,472,062.66 = 307,509.25 : x
  2. Step 2: Convert to fraction form
    981,376.33/1,472,062.66 = 307,509.25/x
  3. Step 3: Cross multiply
    981,376.33x = 1,472,062.66 × 307,509.25
  4. Step 4: Simplify right side
    981,376.33x = 452,672,880,080.68
  5. Step 5: Solve for x
    x = 452,672,880,080.68/981,376.33
  6. Step 6: Final answer
    x = 461,263.30

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Double scale
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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.