Home / 697,059.20-1,044,206.40-415,740.80

Finding the Fourth Proportional to 697,059.20, 1,044,206.40 and 415,740.80

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Solution

The fourth proportional to 697,059.20, 1,044,206.40 and 415,740.80 is: 622,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,059.20 : 1,044,206.40 = 415,740.80 : x
  2. Step 2: Convert to fraction form
    697,059.20/1,044,206.40 = 415,740.80/x
  3. Step 3: Cross multiply
    697,059.20x = 1,044,206.40 × 415,740.80
  4. Step 4: Simplify right side
    697,059.20x = 434,119,204,101.12
  5. Step 5: Solve for x
    x = 434,119,204,101.12/697,059.20
  6. Step 6: Final answer
    x = 622,786.71

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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.