Home / 946,713.53-1,420,269.81-306,967.40

Finding the Fourth Proportional to 946,713.53, 1,420,269.81 and 306,967.40

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Solution

The fourth proportional to 946,713.53, 1,420,269.81 and 306,967.40 is: 460,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,713.53 : 1,420,269.81 = 306,967.40 : x
  2. Step 2: Convert to fraction form
    946,713.53/1,420,269.81 = 306,967.40/x
  3. Step 3: Cross multiply
    946,713.53x = 1,420,269.81 × 306,967.40
  4. Step 4: Simplify right side
    946,713.53x = 435,976,523,772.85
  5. Step 5: Solve for x
    x = 435,976,523,772.85/946,713.53
  6. Step 6: Final answer
    x = 460,515.79

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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.