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Finding the Fourth Proportional to 605,052.80, 907,579.20 and 559,433.60

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Solution

The fourth proportional to 605,052.80, 907,579.20 and 559,433.60 is: 839,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,052.80 : 907,579.20 = 559,433.60 : x
  2. Step 2: Convert to fraction form
    605,052.80/907,579.20 = 559,433.60/x
  3. Step 3: Cross multiply
    605,052.80x = 907,579.20 × 559,433.60
  4. Step 4: Simplify right side
    605,052.80x = 507,730,299,141.12
  5. Step 5: Solve for x
    x = 507,730,299,141.12/605,052.80
  6. Step 6: Final answer
    x = 839,150.40

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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.