Home / 563,880.42-845,945.20-279,725.54

Finding the Fourth Proportional to 563,880.42, 845,945.20 and 279,725.54

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Solution

The fourth proportional to 563,880.42, 845,945.20 and 279,725.54 is: 419,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,880.42 : 845,945.20 = 279,725.54 : x
  2. Step 2: Convert to fraction form
    563,880.42/845,945.20 = 279,725.54/x
  3. Step 3: Cross multiply
    563,880.42x = 845,945.20 × 279,725.54
  4. Step 4: Simplify right side
    563,880.42x = 236,632,477,880.41
  5. Step 5: Solve for x
    x = 236,632,477,880.41/563,880.42
  6. Step 6: Final answer
    x = 419,650.11

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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.