Home / 889,136.48-1,226,995.94-507,169.64

Finding the Fourth Proportional to 889,136.48, 1,226,995.94 and 507,169.64

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Solution

The fourth proportional to 889,136.48, 1,226,995.94 and 507,169.64 is: 699,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,136.48 : 1,226,995.94 = 507,169.64 : x
  2. Step 2: Convert to fraction form
    889,136.48/1,226,995.94 = 507,169.64/x
  3. Step 3: Cross multiply
    889,136.48x = 1,226,995.94 × 507,169.64
  4. Step 4: Simplify right side
    889,136.48x = 622,295,080,500.43
  5. Step 5: Solve for x
    x = 622,295,080,500.43/889,136.48
  6. Step 6: Final answer
    x = 699,887.02

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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.