Home / 842,418.39-1,263,378-243,384.93

Finding the Fourth Proportional to 842,418.39, 1,263,378 and 243,384.93

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Solution

The fourth proportional to 842,418.39, 1,263,378 and 243,384.93 is: 365,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,418.39 : 1,263,378 = 243,384.93 : x
  2. Step 2: Convert to fraction form
    842,418.39/1,263,378 = 243,384.93/x
  3. Step 3: Cross multiply
    842,418.39x = 1,263,378 × 243,384.93
  4. Step 4: Simplify right side
    842,418.39x = 307,487,166,093.54
  5. Step 5: Solve for x
    x = 307,487,166,093.54/842,418.39
  6. Step 6: Final answer
    x = 365,005.29

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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.