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Finding the Fourth Proportional to 637,744.35, 880,149.41 and 476,319.27

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Solution

The fourth proportional to 637,744.35, 880,149.41 and 476,319.27 is: 657,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,744.35 : 880,149.41 = 476,319.27 : x
  2. Step 2: Convert to fraction form
    637,744.35/880,149.41 = 476,319.27/x
  3. Step 3: Cross multiply
    637,744.35x = 880,149.41 × 476,319.27
  4. Step 4: Simplify right side
    637,744.35x = 419,232,124,462.13
  5. Step 5: Solve for x
    x = 419,232,124,462.13/637,744.35
  6. Step 6: Final answer
    x = 657,367.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.