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Finding the Fourth Proportional to 553,772.04, 764,205.75 and 299,123.25

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Solution

The fourth proportional to 553,772.04, 764,205.75 and 299,123.25 is: 412,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,772.04 : 764,205.75 = 299,123.25 : x
  2. Step 2: Convert to fraction form
    553,772.04/764,205.75 = 299,123.25/x
  3. Step 3: Cross multiply
    553,772.04x = 764,205.75 × 299,123.25
  4. Step 4: Simplify right side
    553,772.04x = 228,591,707,608.69
  5. Step 5: Solve for x
    x = 228,591,707,608.69/553,772.04
  6. Step 6: Final answer
    x = 412,790.27

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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.