Home / 889,201.44-1,227,214.80-507,140.64

Finding the Fourth Proportional to 889,201.44, 1,227,214.80 and 507,140.64

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Solution

The fourth proportional to 889,201.44, 1,227,214.80 and 507,140.64 is: 699,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,201.44 : 1,227,214.80 = 507,140.64 : x
  2. Step 2: Convert to fraction form
    889,201.44/1,227,214.80 = 507,140.64/x
  3. Step 3: Cross multiply
    889,201.44x = 1,227,214.80 × 507,140.64
  4. Step 4: Simplify right side
    889,201.44x = 622,370,499,089.47
  5. Step 5: Solve for x
    x = 622,370,499,089.47/889,201.44
  6. Step 6: Final answer
    x = 699,920.71

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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.