Home / 990,079.32-1,366,310.82-537,370.36

Finding the Fourth Proportional to 990,079.32, 1,366,310.82 and 537,370.36

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Solution

The fourth proportional to 990,079.32, 1,366,310.82 and 537,370.36 is: 741,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,079.32 : 1,366,310.82 = 537,370.36 : x
  2. Step 2: Convert to fraction form
    990,079.32/1,366,310.82 = 537,370.36/x
  3. Step 3: Cross multiply
    990,079.32x = 1,366,310.82 × 537,370.36
  4. Step 4: Simplify right side
    990,079.32x = 734,214,937,215.30
  5. Step 5: Solve for x
    x = 734,214,937,215.30/990,079.32
  6. Step 6: Final answer
    x = 741,571.83

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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.