Home / 884,956.47-1,327,291.74-285,920.57

Finding the Fourth Proportional to 884,956.47, 1,327,291.74 and 285,920.57

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Solution

The fourth proportional to 884,956.47, 1,327,291.74 and 285,920.57 is: 428,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,956.47 : 1,327,291.74 = 285,920.57 : x
  2. Step 2: Convert to fraction form
    884,956.47/1,327,291.74 = 285,920.57/x
  3. Step 3: Cross multiply
    884,956.47x = 1,327,291.74 × 285,920.57
  4. Step 4: Simplify right side
    884,956.47x = 379,500,004,220.63
  5. Step 5: Solve for x
    x = 379,500,004,220.63/884,956.47
  6. Step 6: Final answer
    x = 428,834.66

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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.