Home / 885,790.61-1,328,042.24-353,151.89

Finding the Fourth Proportional to 885,790.61, 1,328,042.24 and 353,151.89

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Solution

The fourth proportional to 885,790.61, 1,328,042.24 and 353,151.89 is: 529,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,790.61 : 1,328,042.24 = 353,151.89 : x
  2. Step 2: Convert to fraction form
    885,790.61/1,328,042.24 = 353,151.89/x
  3. Step 3: Cross multiply
    885,790.61x = 1,328,042.24 × 353,151.89
  4. Step 4: Simplify right side
    885,790.61x = 469,000,625,290.07
  5. Step 5: Solve for x
    x = 469,000,625,290.07/885,790.61
  6. Step 6: Final answer
    x = 529,471.21

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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.