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Finding the Fourth Proportional to 607,361.63, 838,159.11 and 352,729.22

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Solution

The fourth proportional to 607,361.63, 838,159.11 and 352,729.22 is: 486,766.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,361.63 : 838,159.11 = 352,729.22 : x
  2. Step 2: Convert to fraction form
    607,361.63/838,159.11 = 352,729.22/x
  3. Step 3: Cross multiply
    607,361.63x = 838,159.11 × 352,729.22
  4. Step 4: Simplify right side
    607,361.63x = 295,643,204,915.40
  5. Step 5: Solve for x
    x = 295,643,204,915.40/607,361.63
  6. Step 6: Final answer
    x = 486,766.36

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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.