Home / 547,058.98-754,979.43-305,388.73

Finding the Fourth Proportional to 547,058.98, 754,979.43 and 305,388.73

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Solution

The fourth proportional to 547,058.98, 754,979.43 and 305,388.73 is: 421,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,058.98 : 754,979.43 = 305,388.73 : x
  2. Step 2: Convert to fraction form
    547,058.98/754,979.43 = 305,388.73/x
  3. Step 3: Cross multiply
    547,058.98x = 754,979.43 × 305,388.73
  4. Step 4: Simplify right side
    547,058.98x = 230,562,209,303.82
  5. Step 5: Solve for x
    x = 230,562,209,303.82/547,058.98
  6. Step 6: Final answer
    x = 421,457.68

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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.