Home / 601,436.16-829,981.41-329,520.96

Finding the Fourth Proportional to 601,436.16, 829,981.41 and 329,520.96

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Solution

The fourth proportional to 601,436.16, 829,981.41 and 329,520.96 is: 454,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,436.16 : 829,981.41 = 329,520.96 : x
  2. Step 2: Convert to fraction form
    601,436.16/829,981.41 = 329,520.96/x
  3. Step 3: Cross multiply
    601,436.16x = 829,981.41 × 329,520.96
  4. Step 4: Simplify right side
    601,436.16x = 273,496,271,005.35
  5. Step 5: Solve for x
    x = 273,496,271,005.35/601,436.16
  6. Step 6: Final answer
    x = 454,738.66

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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.