Home / 885,511.96-1,328,263.38-345,823

Finding the Fourth Proportional to 885,511.96, 1,328,263.38 and 345,823

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Solution

The fourth proportional to 885,511.96, 1,328,263.38 and 345,823 is: 518,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,511.96 : 1,328,263.38 = 345,823 : x
  2. Step 2: Convert to fraction form
    885,511.96/1,328,263.38 = 345,823/x
  3. Step 3: Cross multiply
    885,511.96x = 1,328,263.38 × 345,823
  4. Step 4: Simplify right side
    885,511.96x = 459,344,026,861.74
  5. Step 5: Solve for x
    x = 459,344,026,861.74/885,511.96
  6. Step 6: Final answer
    x = 518,732.72

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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.