Home / 750,066.15-1,035,087.32-405,901.88

Finding the Fourth Proportional to 750,066.15, 1,035,087.32 and 405,901.88

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Solution

The fourth proportional to 750,066.15, 1,035,087.32 and 405,901.88 is: 560,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,066.15 : 1,035,087.32 = 405,901.88 : x
  2. Step 2: Convert to fraction form
    750,066.15/1,035,087.32 = 405,901.88/x
  3. Step 3: Cross multiply
    750,066.15x = 1,035,087.32 × 405,901.88
  4. Step 4: Simplify right side
    750,066.15x = 420,143,888,873.06
  5. Step 5: Solve for x
    x = 420,143,888,873.06/750,066.15
  6. Step 6: Final answer
    x = 560,142.44

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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.