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Finding the Fourth Proportional to 572,670.96, 858,627.30 and 273,197.76

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Solution

The fourth proportional to 572,670.96, 858,627.30 and 273,197.76 is: 409,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,670.96 : 858,627.30 = 273,197.76 : x
  2. Step 2: Convert to fraction form
    572,670.96/858,627.30 = 273,197.76/x
  3. Step 3: Cross multiply
    572,670.96x = 858,627.30 × 273,197.76
  4. Step 4: Simplify right side
    572,670.96x = 234,575,055,034.85
  5. Step 5: Solve for x
    x = 234,575,055,034.85/572,670.96
  6. Step 6: Final answer
    x = 409,615.77

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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.