Home / 885,964.69-1,222,747.87-498,855.54

Finding the Fourth Proportional to 885,964.69, 1,222,747.87 and 498,855.54

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Solution

The fourth proportional to 885,964.69, 1,222,747.87 and 498,855.54 is: 688,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,964.69 : 1,222,747.87 = 498,855.54 : x
  2. Step 2: Convert to fraction form
    885,964.69/1,222,747.87 = 498,855.54/x
  3. Step 3: Cross multiply
    885,964.69x = 1,222,747.87 × 498,855.54
  4. Step 4: Simplify right side
    885,964.69x = 609,974,552,310.87
  5. Step 5: Solve for x
    x = 609,974,552,310.87/885,964.69
  6. Step 6: Final answer
    x = 688,486.30

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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.