Home / 822,981.79-1,234,347.94-223,989.63

Finding the Fourth Proportional to 822,981.79, 1,234,347.94 and 223,989.63

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Solution

The fourth proportional to 822,981.79, 1,234,347.94 and 223,989.63 is: 335,950.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,981.79 : 1,234,347.94 = 223,989.63 : x
  2. Step 2: Convert to fraction form
    822,981.79/1,234,347.94 = 223,989.63/x
  3. Step 3: Cross multiply
    822,981.79x = 1,234,347.94 × 223,989.63
  4. Step 4: Simplify right side
    822,981.79x = 276,481,138,371.86
  5. Step 5: Solve for x
    x = 276,481,138,371.86/822,981.79
  6. Step 6: Final answer
    x = 335,950.49

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Double scale
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Similar ratio
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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.