Home / 649,485.95-973,979.78-222,942.29

Finding the Fourth Proportional to 649,485.95, 973,979.78 and 222,942.29

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Solution

The fourth proportional to 649,485.95, 973,979.78 and 222,942.29 is: 334,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,485.95 : 973,979.78 = 222,942.29 : x
  2. Step 2: Convert to fraction form
    649,485.95/973,979.78 = 222,942.29/x
  3. Step 3: Cross multiply
    649,485.95x = 973,979.78 × 222,942.29
  4. Step 4: Simplify right side
    649,485.95x = 217,141,276,582.29
  5. Step 5: Solve for x
    x = 217,141,276,582.29/649,485.95
  6. Step 6: Final answer
    x = 334,327.91

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Double scale
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1.5x scale

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.