Home / 770,218.54-1,154,627.96-349,264.78

Finding the Fourth Proportional to 770,218.54, 1,154,627.96 and 349,264.78

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Solution

The fourth proportional to 770,218.54, 1,154,627.96 and 349,264.78 is: 523,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,218.54 : 1,154,627.96 = 349,264.78 : x
  2. Step 2: Convert to fraction form
    770,218.54/1,154,627.96 = 349,264.78/x
  3. Step 3: Cross multiply
    770,218.54x = 1,154,627.96 × 349,264.78
  4. Step 4: Simplify right side
    770,218.54x = 403,270,880,431.25
  5. Step 5: Solve for x
    x = 403,270,880,431.25/770,218.54
  6. Step 6: Final answer
    x = 523,579.81

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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.