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Finding the Fourth Proportional to 603,886.88, 833,363.90 and 349,254.47

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Solution

The fourth proportional to 603,886.88, 833,363.90 and 349,254.47 is: 481,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,886.88 : 833,363.90 = 349,254.47 : x
  2. Step 2: Convert to fraction form
    603,886.88/833,363.90 = 349,254.47/x
  3. Step 3: Cross multiply
    603,886.88x = 833,363.90 × 349,254.47
  4. Step 4: Simplify right side
    603,886.88x = 291,056,061,298.54
  5. Step 5: Solve for x
    x = 291,056,061,298.54/603,886.88
  6. Step 6: Final answer
    x = 481,971.17

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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.