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Finding the Fourth Proportional to 546,963, 754,846.80 and 305,292.60

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Solution

The fourth proportional to 546,963, 754,846.80 and 305,292.60 is: 421,324.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,963 : 754,846.80 = 305,292.60 : x
  2. Step 2: Convert to fraction form
    546,963/754,846.80 = 305,292.60/x
  3. Step 3: Cross multiply
    546,963x = 754,846.80 × 305,292.60
  4. Step 4: Simplify right side
    546,963x = 230,449,142,173.68
  5. Step 5: Solve for x
    x = 230,449,142,173.68/546,963
  6. Step 6: Final answer
    x = 421,324.92

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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.