Home / 990,433.12-1,366,797.68-537,724.16

Finding the Fourth Proportional to 990,433.12, 1,366,797.68 and 537,724.16

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Solution

The fourth proportional to 990,433.12, 1,366,797.68 and 537,724.16 is: 742,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,433.12 : 1,366,797.68 = 537,724.16 : x
  2. Step 2: Convert to fraction form
    990,433.12/1,366,797.68 = 537,724.16/x
  3. Step 3: Cross multiply
    990,433.12x = 1,366,797.68 × 537,724.16
  4. Step 4: Simplify right side
    990,433.12x = 734,960,134,367.95
  5. Step 5: Solve for x
    x = 734,960,134,367.95/990,433.12
  6. Step 6: Final answer
    x = 742,059.33

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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.