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Finding the Fourth Proportional to 446,516.80, 668,608.80 and 425,521.60

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Solution

The fourth proportional to 446,516.80, 668,608.80 and 425,521.60 is: 637,170.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,516.80 : 668,608.80 = 425,521.60 : x
  2. Step 2: Convert to fraction form
    446,516.80/668,608.80 = 425,521.60/x
  3. Step 3: Cross multiply
    446,516.80x = 668,608.80 × 425,521.60
  4. Step 4: Simplify right side
    446,516.80x = 284,507,486,350.08
  5. Step 5: Solve for x
    x = 284,507,486,350.08/446,516.80
  6. Step 6: Final answer
    x = 637,170.84

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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.