Home / 885,785.61-1,328,034.72-353,146.89

Finding the Fourth Proportional to 885,785.61, 1,328,034.72 and 353,146.89

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Solution

The fourth proportional to 885,785.61, 1,328,034.72 and 353,146.89 is: 529,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,785.61 : 1,328,034.72 = 353,146.89 : x
  2. Step 2: Convert to fraction form
    885,785.61/1,328,034.72 = 353,146.89/x
  3. Step 3: Cross multiply
    885,785.61x = 1,328,034.72 × 353,146.89
  4. Step 4: Simplify right side
    885,785.61x = 468,991,331,180.02
  5. Step 5: Solve for x
    x = 468,991,331,180.02/885,785.61
  6. Step 6: Final answer
    x = 529,463.71

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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.