Home / 889,345.94-1,227,183.33-507,350.42

Finding the Fourth Proportional to 889,345.94, 1,227,183.33 and 507,350.42

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Solution

The fourth proportional to 889,345.94, 1,227,183.33 and 507,350.42 is: 700,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,345.94 : 1,227,183.33 = 507,350.42 : x
  2. Step 2: Convert to fraction form
    889,345.94/1,227,183.33 = 507,350.42/x
  3. Step 3: Cross multiply
    889,345.94x = 1,227,183.33 × 507,350.42
  4. Step 4: Simplify right side
    889,345.94x = 622,611,977,892.50
  5. Step 5: Solve for x
    x = 622,611,977,892.50/889,345.94
  6. Step 6: Final answer
    x = 700,078.51

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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.