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Finding the Fourth Proportional to 616,433.02, 850,674.70 and 344,500.75

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Solution

The fourth proportional to 616,433.02, 850,674.70 and 344,500.75 is: 475,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,433.02 : 850,674.70 = 344,500.75 : x
  2. Step 2: Convert to fraction form
    616,433.02/850,674.70 = 344,500.75/x
  3. Step 3: Cross multiply
    616,433.02x = 850,674.70 × 344,500.75
  4. Step 4: Simplify right side
    616,433.02x = 293,058,066,180.15
  5. Step 5: Solve for x
    x = 293,058,066,180.15/616,433.02
  6. Step 6: Final answer
    x = 475,409.43

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1.5x scale

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.