Home / 782,845.45-1,080,308.36-460,576.28

Finding the Fourth Proportional to 782,845.45, 1,080,308.36 and 460,576.28

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Solution

The fourth proportional to 782,845.45, 1,080,308.36 and 460,576.28 is: 635,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,845.45 : 1,080,308.36 = 460,576.28 : x
  2. Step 2: Convert to fraction form
    782,845.45/1,080,308.36 = 460,576.28/x
  3. Step 3: Cross multiply
    782,845.45x = 1,080,308.36 × 460,576.28
  4. Step 4: Simplify right side
    782,845.45x = 497,564,409,553.91
  5. Step 5: Solve for x
    x = 497,564,409,553.91/782,845.45
  6. Step 6: Final answer
    x = 635,584.47

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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.