Home / 705,319.88-1,056,942.74-416,834.60

Finding the Fourth Proportional to 705,319.88, 1,056,942.74 and 416,834.60

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Solution

The fourth proportional to 705,319.88, 1,056,942.74 and 416,834.60 is: 624,639.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,319.88 : 1,056,942.74 = 416,834.60 : x
  2. Step 2: Convert to fraction form
    705,319.88/1,056,942.74 = 416,834.60/x
  3. Step 3: Cross multiply
    705,319.88x = 1,056,942.74 × 416,834.60
  4. Step 4: Simplify right side
    705,319.88x = 440,570,300,008.18
  5. Step 5: Solve for x
    x = 440,570,300,008.18/705,319.88
  6. Step 6: Final answer
    x = 624,639.00

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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.