Home / 946,788.32-1,420,211.64-414,035.12

Finding the Fourth Proportional to 946,788.32, 1,420,211.64 and 414,035.12

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Solution

The fourth proportional to 946,788.32, 1,420,211.64 and 414,035.12 is: 621,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,788.32 : 1,420,211.64 = 414,035.12 : x
  2. Step 2: Convert to fraction form
    946,788.32/1,420,211.64 = 414,035.12/x
  3. Step 3: Cross multiply
    946,788.32x = 1,420,211.64 × 414,035.12
  4. Step 4: Simplify right side
    946,788.32x = 588,017,496,792.80
  5. Step 5: Solve for x
    x = 588,017,496,792.80/946,788.32
  6. Step 6: Final answer
    x = 621,065.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.