Home / 889,137.48-1,226,997.31-507,170.64

Finding the Fourth Proportional to 889,137.48, 1,226,997.31 and 507,170.64

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Solution

The fourth proportional to 889,137.48, 1,226,997.31 and 507,170.64 is: 699,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,137.48 : 1,226,997.31 = 507,170.64 : x
  2. Step 2: Convert to fraction form
    889,137.48/1,226,997.31 = 507,170.64/x
  3. Step 3: Cross multiply
    889,137.48x = 1,226,997.31 × 507,170.64
  4. Step 4: Simplify right side
    889,137.48x = 622,297,010,990.98
  5. Step 5: Solve for x
    x = 622,297,010,990.98/889,137.48
  6. Step 6: Final answer
    x = 699,888.40

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Double scale
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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.