Home / 990,230.28-1,366,516.62-537,521.28

Finding the Fourth Proportional to 990,230.28, 1,366,516.62 and 537,521.28

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Solution

The fourth proportional to 990,230.28, 1,366,516.62 and 537,521.28 is: 741,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,230.28 : 1,366,516.62 = 537,521.28 : x
  2. Step 2: Convert to fraction form
    990,230.28/1,366,516.62 = 537,521.28/x
  3. Step 3: Cross multiply
    990,230.28x = 1,366,516.62 × 537,521.28
  4. Step 4: Simplify right side
    990,230.28x = 734,531,762,723.67
  5. Step 5: Solve for x
    x = 734,531,762,723.67/990,230.28
  6. Step 6: Final answer
    x = 741,778.73

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1.5x scale

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.