Home / 971,284.80-1,456,927.20-261,384.60

Finding the Fourth Proportional to 971,284.80, 1,456,927.20 and 261,384.60

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Solution

The fourth proportional to 971,284.80, 1,456,927.20 and 261,384.60 is: 392,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,284.80 : 1,456,927.20 = 261,384.60 : x
  2. Step 2: Convert to fraction form
    971,284.80/1,456,927.20 = 261,384.60/x
  3. Step 3: Cross multiply
    971,284.80x = 1,456,927.20 × 261,384.60
  4. Step 4: Simplify right side
    971,284.80x = 380,818,333,401.12
  5. Step 5: Solve for x
    x = 380,818,333,401.12/971,284.80
  6. Step 6: Final answer
    x = 392,076.90

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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.