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Finding the Fourth Proportional to 607,058.65, 837,768.02 and 349,019.28

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Solution

The fourth proportional to 607,058.65, 837,768.02 and 349,019.28 is: 481,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,058.65 : 837,768.02 = 349,019.28 : x
  2. Step 2: Convert to fraction form
    607,058.65/837,768.02 = 349,019.28/x
  3. Step 3: Cross multiply
    607,058.65x = 837,768.02 × 349,019.28
  4. Step 4: Simplify right side
    607,058.65x = 292,397,189,402.33
  5. Step 5: Solve for x
    x = 292,397,189,402.33/607,058.65
  6. Step 6: Final answer
    x = 481,662.17

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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.