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Finding the Fourth Proportional to 573,183.90, 858,791.70 and 373,401.45

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Solution

The fourth proportional to 573,183.90, 858,791.70 and 373,401.45 is: 559,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,183.90 : 858,791.70 = 373,401.45 : x
  2. Step 2: Convert to fraction form
    573,183.90/858,791.70 = 373,401.45/x
  3. Step 3: Cross multiply
    573,183.90x = 858,791.70 × 373,401.45
  4. Step 4: Simplify right side
    573,183.90x = 320,674,066,027.97
  5. Step 5: Solve for x
    x = 320,674,066,027.97/573,183.90
  6. Step 6: Final answer
    x = 559,461.05

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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.