Home / 770,616.60-1,155,579.30-349,675.80

Finding the Fourth Proportional to 770,616.60, 1,155,579.30 and 349,675.80

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Solution

The fourth proportional to 770,616.60, 1,155,579.30 and 349,675.80 is: 524,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,616.60 : 1,155,579.30 = 349,675.80 : x
  2. Step 2: Convert to fraction form
    770,616.60/1,155,579.30 = 349,675.80/x
  3. Step 3: Cross multiply
    770,616.60x = 1,155,579.30 × 349,675.80
  4. Step 4: Simplify right side
    770,616.60x = 404,078,116,190.94
  5. Step 5: Solve for x
    x = 404,078,116,190.94/770,616.60
  6. Step 6: Final answer
    x = 524,356.88

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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.