Home / 548,948.08-757,548.23-307,230.64

Finding the Fourth Proportional to 548,948.08, 757,548.23 and 307,230.64

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Solution

The fourth proportional to 548,948.08, 757,548.23 and 307,230.64 is: 423,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,948.08 : 757,548.23 = 307,230.64 : x
  2. Step 2: Convert to fraction form
    548,948.08/757,548.23 = 307,230.64/x
  3. Step 3: Cross multiply
    548,948.08x = 757,548.23 × 307,230.64
  4. Step 4: Simplify right side
    548,948.08x = 232,742,024,103.74
  5. Step 5: Solve for x
    x = 232,742,024,103.74/548,948.08
  6. Step 6: Final answer
    x = 423,978.21

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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.