Home / 990,108.37-1,366,352.18-537,399.37

Finding the Fourth Proportional to 990,108.37, 1,366,352.18 and 537,399.37

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Solution

The fourth proportional to 990,108.37, 1,366,352.18 and 537,399.37 is: 741,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,108.37 : 1,366,352.18 = 537,399.37 : x
  2. Step 2: Convert to fraction form
    990,108.37/1,366,352.18 = 537,399.37/x
  3. Step 3: Cross multiply
    990,108.37x = 1,366,352.18 × 537,399.37
  4. Step 4: Simplify right side
    990,108.37x = 734,276,800,730.13
  5. Step 5: Solve for x
    x = 734,276,800,730.13/990,108.37
  6. Step 6: Final answer
    x = 741,612.56

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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.