Home / 968,734.01-1,453,429.45-428,915.95

Finding the Fourth Proportional to 968,734.01, 1,453,429.45 and 428,915.95

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Solution

The fourth proportional to 968,734.01, 1,453,429.45 and 428,915.95 is: 643,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,734.01 : 1,453,429.45 = 428,915.95 : x
  2. Step 2: Convert to fraction form
    968,734.01/1,453,429.45 = 428,915.95/x
  3. Step 3: Cross multiply
    968,734.01x = 1,453,429.45 × 428,915.95
  4. Step 4: Simplify right side
    968,734.01x = 623,399,073,304.73
  5. Step 5: Solve for x
    x = 623,399,073,304.73/968,734.01
  6. Step 6: Final answer
    x = 643,519.34

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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.