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Finding the Fourth Proportional to 605,003.70, 907,505.55 and 510,525.30

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Solution

The fourth proportional to 605,003.70, 907,505.55 and 510,525.30 is: 765,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,003.70 : 907,505.55 = 510,525.30 : x
  2. Step 2: Convert to fraction form
    605,003.70/907,505.55 = 510,525.30/x
  3. Step 3: Cross multiply
    605,003.70x = 907,505.55 × 510,525.30
  4. Step 4: Simplify right side
    605,003.70x = 463,304,543,165.42
  5. Step 5: Solve for x
    x = 463,304,543,165.42/605,003.70
  6. Step 6: Final answer
    x = 765,787.95

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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.