Home / 825,904.32-1,238,713.64-218,701.37

Finding the Fourth Proportional to 825,904.32, 1,238,713.64 and 218,701.37

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Solution

The fourth proportional to 825,904.32, 1,238,713.64 and 218,701.37 is: 328,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,904.32 : 1,238,713.64 = 218,701.37 : x
  2. Step 2: Convert to fraction form
    825,904.32/1,238,713.64 = 218,701.37/x
  3. Step 3: Cross multiply
    825,904.32x = 1,238,713.64 × 218,701.37
  4. Step 4: Simplify right side
    825,904.32x = 270,908,366,038.20
  5. Step 5: Solve for x
    x = 270,908,366,038.20/825,904.32
  6. Step 6: Final answer
    x = 328,014.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.