Home / 909,982.80-1,364,974.20-768,265.20

Finding the Fourth Proportional to 909,982.80, 1,364,974.20 and 768,265.20

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Solution

The fourth proportional to 909,982.80, 1,364,974.20 and 768,265.20 is: 1,152,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,982.80 : 1,364,974.20 = 768,265.20 : x
  2. Step 2: Convert to fraction form
    909,982.80/1,364,974.20 = 768,265.20/x
  3. Step 3: Cross multiply
    909,982.80x = 1,364,974.20 × 768,265.20
  4. Step 4: Simplify right side
    909,982.80x = 1,048,662,176,757.84
  5. Step 5: Solve for x
    x = 1,048,662,176,757.84/909,982.80
  6. Step 6: Final answer
    x = 1,152,397.80

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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.