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Finding the Fourth Proportional to 601,894.80, 830,882.21 and 384,388.34

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Solution

The fourth proportional to 601,894.80, 830,882.21 and 384,388.34 is: 530,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,894.80 : 830,882.21 = 384,388.34 : x
  2. Step 2: Convert to fraction form
    601,894.80/830,882.21 = 384,388.34/x
  3. Step 3: Cross multiply
    601,894.80x = 830,882.21 × 384,388.34
  4. Step 4: Simplify right side
    601,894.80x = 319,381,427,361.08
  5. Step 5: Solve for x
    x = 319,381,427,361.08/601,894.80
  6. Step 6: Final answer
    x = 530,626.66

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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.