Home / 790,365.21-1,185,548.63-369,936.33

Finding the Fourth Proportional to 790,365.21, 1,185,548.63 and 369,936.33

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Solution

The fourth proportional to 790,365.21, 1,185,548.63 and 369,936.33 is: 554,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,365.21 : 1,185,548.63 = 369,936.33 : x
  2. Step 2: Convert to fraction form
    790,365.21/1,185,548.63 = 369,936.33/x
  3. Step 3: Cross multiply
    790,365.21x = 1,185,548.63 × 369,936.33
  4. Step 4: Simplify right side
    790,365.21x = 438,577,507,369.05
  5. Step 5: Solve for x
    x = 438,577,507,369.05/790,365.21
  6. Step 6: Final answer
    x = 554,904.87

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Double scale
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1.5x scale

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.