Home / 990,027.15-1,366,238.03-537,318.15

Finding the Fourth Proportional to 990,027.15, 1,366,238.03 and 537,318.15

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Solution

The fourth proportional to 990,027.15, 1,366,238.03 and 537,318.15 is: 741,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,027.15 : 1,366,238.03 = 537,318.15 : x
  2. Step 2: Convert to fraction form
    990,027.15/1,366,238.03 = 537,318.15/x
  3. Step 3: Cross multiply
    990,027.15x = 1,366,238.03 × 537,318.15
  4. Step 4: Simplify right side
    990,027.15x = 734,104,490,739.25
  5. Step 5: Solve for x
    x = 734,104,490,739.25/990,027.15
  6. Step 6: Final answer
    x = 741,499.35

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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.