Home / 922,071.32-1,382,774.24-389,633.48

Finding the Fourth Proportional to 922,071.32, 1,382,774.24 and 389,633.48

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Solution

The fourth proportional to 922,071.32, 1,382,774.24 and 389,633.48 is: 584,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,071.32 : 1,382,774.24 = 389,633.48 : x
  2. Step 2: Convert to fraction form
    922,071.32/1,382,774.24 = 389,633.48/x
  3. Step 3: Cross multiply
    922,071.32x = 1,382,774.24 × 389,633.48
  4. Step 4: Simplify right side
    922,071.32x = 538,775,139,185.56
  5. Step 5: Solve for x
    x = 538,775,139,185.56/922,071.32
  6. Step 6: Final answer
    x = 584,309.62

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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.