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Finding the Fourth Proportional to 561,552.24, 774,940.24 and 306,903.36

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Solution

The fourth proportional to 561,552.24, 774,940.24 and 306,903.36 is: 423,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,552.24 : 774,940.24 = 306,903.36 : x
  2. Step 2: Convert to fraction form
    561,552.24/774,940.24 = 306,903.36/x
  3. Step 3: Cross multiply
    561,552.24x = 774,940.24 × 306,903.36
  4. Step 4: Simplify right side
    561,552.24x = 237,831,763,455.21
  5. Step 5: Solve for x
    x = 237,831,763,455.21/561,552.24
  6. Step 6: Final answer
    x = 423,525.63

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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.