Home / 748,949.58-1,033,557.30-426,654.90

Finding the Fourth Proportional to 748,949.58, 1,033,557.30 and 426,654.90

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Solution

The fourth proportional to 748,949.58, 1,033,557.30 and 426,654.90 is: 588,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,949.58 : 1,033,557.30 = 426,654.90 : x
  2. Step 2: Convert to fraction form
    748,949.58/1,033,557.30 = 426,654.90/x
  3. Step 3: Cross multiply
    748,949.58x = 1,033,557.30 × 426,654.90
  4. Step 4: Simplify right side
    748,949.58x = 440,972,286,475.77
  5. Step 5: Solve for x
    x = 440,972,286,475.77/748,949.58
  6. Step 6: Final answer
    x = 588,787.68

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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.