Home / 990,089.32-1,366,324.50-537,380.44

Finding the Fourth Proportional to 990,089.32, 1,366,324.50 and 537,380.44

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Solution

The fourth proportional to 990,089.32, 1,366,324.50 and 537,380.44 is: 741,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,089.32 : 1,366,324.50 = 537,380.44 : x
  2. Step 2: Convert to fraction form
    990,089.32/1,366,324.50 = 537,380.44/x
  3. Step 3: Cross multiply
    990,089.32x = 1,366,324.50 × 537,380.44
  4. Step 4: Simplify right side
    990,089.32x = 734,236,060,992.78
  5. Step 5: Solve for x
    x = 734,236,060,992.78/990,089.32
  6. Step 6: Final answer
    x = 741,585.68

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Double scale
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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.