Home / 990,329.73-1,366,656.39-537,620.73

Finding the Fourth Proportional to 990,329.73, 1,366,656.39 and 537,620.73

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Solution

The fourth proportional to 990,329.73, 1,366,656.39 and 537,620.73 is: 741,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,329.73 : 1,366,656.39 = 537,620.73 : x
  2. Step 2: Convert to fraction form
    990,329.73/1,366,656.39 = 537,620.73/x
  3. Step 3: Cross multiply
    990,329.73x = 1,366,656.39 × 537,620.73
  4. Step 4: Simplify right side
    990,329.73x = 734,742,806,050.97
  5. Step 5: Solve for x
    x = 734,742,806,050.97/990,329.73
  6. Step 6: Final answer
    x = 741,917.35

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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.