Home / 753,163.08-1,039,382.72-430,903.16

Finding the Fourth Proportional to 753,163.08, 1,039,382.72 and 430,903.16

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Solution

The fourth proportional to 753,163.08, 1,039,382.72 and 430,903.16 is: 594,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,163.08 : 1,039,382.72 = 430,903.16 : x
  2. Step 2: Convert to fraction form
    753,163.08/1,039,382.72 = 430,903.16/x
  3. Step 3: Cross multiply
    753,163.08x = 1,039,382.72 × 430,903.16
  4. Step 4: Simplify right side
    753,163.08x = 447,873,298,497.40
  5. Step 5: Solve for x
    x = 447,873,298,497.40/753,163.08
  6. Step 6: Final answer
    x = 594,656.47

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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.