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Finding the Fourth Proportional to 446,502.80, 668,587.80 and 425,507.60

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Solution

The fourth proportional to 446,502.80, 668,587.80 and 425,507.60 is: 637,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,502.80 : 668,587.80 = 425,507.60 : x
  2. Step 2: Convert to fraction form
    446,502.80/668,587.80 = 425,507.60/x
  3. Step 3: Cross multiply
    446,502.80x = 668,587.80 × 425,507.60
  4. Step 4: Simplify right side
    446,502.80x = 284,489,190,167.28
  5. Step 5: Solve for x
    x = 284,489,190,167.28/446,502.80
  6. Step 6: Final answer
    x = 637,149.85

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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.