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Finding the Fourth Proportional to 607,611.80, 910,980.30 and 341,453.90

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Solution

The fourth proportional to 607,611.80, 910,980.30 and 341,453.90 is: 511,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,611.80 : 910,980.30 = 341,453.90 : x
  2. Step 2: Convert to fraction form
    607,611.80/910,980.30 = 341,453.90/x
  3. Step 3: Cross multiply
    607,611.80x = 910,980.30 × 341,453.90
  4. Step 4: Simplify right side
    607,611.80x = 311,057,776,258.17
  5. Step 5: Solve for x
    x = 311,057,776,258.17/607,611.80
  6. Step 6: Final answer
    x = 511,935.05

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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.