Home / 971,201.80-1,456,802.70-635,278.60

Finding the Fourth Proportional to 971,201.80, 1,456,802.70 and 635,278.60

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Solution

The fourth proportional to 971,201.80, 1,456,802.70 and 635,278.60 is: 952,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,201.80 : 1,456,802.70 = 635,278.60 : x
  2. Step 2: Convert to fraction form
    971,201.80/1,456,802.70 = 635,278.60/x
  3. Step 3: Cross multiply
    971,201.80x = 1,456,802.70 × 635,278.60
  4. Step 4: Simplify right side
    971,201.80x = 925,475,579,732.22
  5. Step 5: Solve for x
    x = 925,475,579,732.22/971,201.80
  6. Step 6: Final answer
    x = 952,917.90

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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.