Home / 548,913.38-757,533.83-307,190.93

Finding the Fourth Proportional to 548,913.38, 757,533.83 and 307,190.93

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Solution

The fourth proportional to 548,913.38, 757,533.83 and 307,190.93 is: 423,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,913.38 : 757,533.83 = 307,190.93 : x
  2. Step 2: Convert to fraction form
    548,913.38/757,533.83 = 307,190.93/x
  3. Step 3: Cross multiply
    548,913.38x = 757,533.83 × 307,190.93
  4. Step 4: Simplify right side
    548,913.38x = 232,707,516,420.54
  5. Step 5: Solve for x
    x = 232,707,516,420.54/548,913.38
  6. Step 6: Final answer
    x = 423,942.15

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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.