Home / 717,814.20-1,076,721.30-605,839.80

Finding the Fourth Proportional to 717,814.20, 1,076,721.30 and 605,839.80

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Solution

The fourth proportional to 717,814.20, 1,076,721.30 and 605,839.80 is: 908,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,814.20 : 1,076,721.30 = 605,839.80 : x
  2. Step 2: Convert to fraction form
    717,814.20/1,076,721.30 = 605,839.80/x
  3. Step 3: Cross multiply
    717,814.20x = 1,076,721.30 × 605,839.80
  4. Step 4: Simplify right side
    717,814.20x = 652,320,617,047.74
  5. Step 5: Solve for x
    x = 652,320,617,047.74/717,814.20
  6. Step 6: Final answer
    x = 908,759.70

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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.