Home / 885,943.54-1,222,538.68-498,738.95

Finding the Fourth Proportional to 885,943.54, 1,222,538.68 and 498,738.95

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Solution

The fourth proportional to 885,943.54, 1,222,538.68 and 498,738.95 is: 688,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,943.54 : 1,222,538.68 = 498,738.95 : x
  2. Step 2: Convert to fraction form
    885,943.54/1,222,538.68 = 498,738.95/x
  3. Step 3: Cross multiply
    885,943.54x = 1,222,538.68 × 498,738.95
  4. Step 4: Simplify right side
    885,943.54x = 609,727,661,692.16
  5. Step 5: Solve for x
    x = 609,727,661,692.16/885,943.54
  6. Step 6: Final answer
    x = 688,224.06

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Double scale
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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.