Home / 820,739.64-1,232,471.04-507,189.48

Finding the Fourth Proportional to 820,739.64, 1,232,471.04 and 507,189.48

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Solution

The fourth proportional to 820,739.64, 1,232,471.04 and 507,189.48 is: 761,625.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,739.64 : 1,232,471.04 = 507,189.48 : x
  2. Step 2: Convert to fraction form
    820,739.64/1,232,471.04 = 507,189.48/x
  3. Step 3: Cross multiply
    820,739.64x = 1,232,471.04 × 507,189.48
  4. Step 4: Simplify right side
    820,739.64x = 625,096,345,892.66
  5. Step 5: Solve for x
    x = 625,096,345,892.66/820,739.64
  6. Step 6: Final answer
    x = 761,625.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.