Home / 548,849.43-757,303.47-307,085.10

Finding the Fourth Proportional to 548,849.43, 757,303.47 and 307,085.10

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Solution

The fourth proportional to 548,849.43, 757,303.47 and 307,085.10 is: 423,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,849.43 : 757,303.47 = 307,085.10 : x
  2. Step 2: Convert to fraction form
    548,849.43/757,303.47 = 307,085.10/x
  3. Step 3: Cross multiply
    548,849.43x = 757,303.47 × 307,085.10
  4. Step 4: Simplify right side
    548,849.43x = 232,556,611,815.30
  5. Step 5: Solve for x
    x = 232,556,611,815.30/548,849.43
  6. Step 6: Final answer
    x = 423,716.60

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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.