Home / 885,850.87-1,222,513.95-498,799.39

Finding the Fourth Proportional to 885,850.87, 1,222,513.95 and 498,799.39

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Solution

The fourth proportional to 885,850.87, 1,222,513.95 and 498,799.39 is: 688,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,850.87 : 1,222,513.95 = 498,799.39 : x
  2. Step 2: Convert to fraction form
    885,850.87/1,222,513.95 = 498,799.39/x
  3. Step 3: Cross multiply
    885,850.87x = 1,222,513.95 × 498,799.39
  4. Step 4: Simplify right side
    885,850.87x = 609,789,212,526.49
  5. Step 5: Solve for x
    x = 609,789,212,526.49/885,850.87
  6. Step 6: Final answer
    x = 688,365.54

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1.5x scale

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.