Home / 683,397.40-1,025,679.30-304,900.60

Finding the Fourth Proportional to 683,397.40, 1,025,679.30 and 304,900.60

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Solution

The fourth proportional to 683,397.40, 1,025,679.30 and 304,900.60 is: 457,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,397.40 : 1,025,679.30 = 304,900.60 : x
  2. Step 2: Convert to fraction form
    683,397.40/1,025,679.30 = 304,900.60/x
  3. Step 3: Cross multiply
    683,397.40x = 1,025,679.30 × 304,900.60
  4. Step 4: Simplify right side
    683,397.40x = 312,730,233,977.58
  5. Step 5: Solve for x
    x = 312,730,233,977.58/683,397.40
  6. Step 6: Final answer
    x = 457,611.10

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1.5x scale

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.