Home / 888,580.80-1,226,239.20-486,172.80

Finding the Fourth Proportional to 888,580.80, 1,226,239.20 and 486,172.80

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Solution

The fourth proportional to 888,580.80, 1,226,239.20 and 486,172.80 is: 670,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,580.80 : 1,226,239.20 = 486,172.80 : x
  2. Step 2: Convert to fraction form
    888,580.80/1,226,239.20 = 486,172.80/x
  3. Step 3: Cross multiply
    888,580.80x = 1,226,239.20 × 486,172.80
  4. Step 4: Simplify right side
    888,580.80x = 596,164,145,333.76
  5. Step 5: Solve for x
    x = 596,164,145,333.76/888,580.80
  6. Step 6: Final answer
    x = 670,917.20

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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.