Home / 885,846.87-1,222,508.43-498,795.39

Finding the Fourth Proportional to 885,846.87, 1,222,508.43 and 498,795.39

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Solution

The fourth proportional to 885,846.87, 1,222,508.43 and 498,795.39 is: 688,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,846.87 : 1,222,508.43 = 498,795.39 : x
  2. Step 2: Convert to fraction form
    885,846.87/1,222,508.43 = 498,795.39/x
  3. Step 3: Cross multiply
    885,846.87x = 1,222,508.43 × 498,795.39
  4. Step 4: Simplify right side
    885,846.87x = 609,781,569,120.14
  5. Step 5: Solve for x
    x = 609,781,569,120.14/885,846.87
  6. Step 6: Final answer
    x = 688,360.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.