Home / 548,578.08-757,110.48-306,953.28

Finding the Fourth Proportional to 548,578.08, 757,110.48 and 306,953.28

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Solution

The fourth proportional to 548,578.08, 757,110.48 and 306,953.28 is: 423,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,578.08 : 757,110.48 = 306,953.28 : x
  2. Step 2: Convert to fraction form
    548,578.08/757,110.48 = 306,953.28/x
  3. Step 3: Cross multiply
    548,578.08x = 757,110.48 × 306,953.28
  4. Step 4: Simplify right side
    548,578.08x = 232,397,545,158.37
  5. Step 5: Solve for x
    x = 232,397,545,158.37/548,578.08
  6. Step 6: Final answer
    x = 423,636.22

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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.