Home / 971,164.80-1,456,401.60-438,940.80

Finding the Fourth Proportional to 971,164.80, 1,456,401.60 and 438,940.80

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Solution

The fourth proportional to 971,164.80, 1,456,401.60 and 438,940.80 is: 658,255.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,164.80 : 1,456,401.60 = 438,940.80 : x
  2. Step 2: Convert to fraction form
    971,164.80/1,456,401.60 = 438,940.80/x
  3. Step 3: Cross multiply
    971,164.80x = 1,456,401.60 × 438,940.80
  4. Step 4: Simplify right side
    971,164.80x = 639,274,083,425.28
  5. Step 5: Solve for x
    x = 639,274,083,425.28/971,164.80
  6. Step 6: Final answer
    x = 658,255.00

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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.