Home / 842,422.41-1,263,447.72-243,253.23

Finding the Fourth Proportional to 842,422.41, 1,263,447.72 and 243,253.23

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Solution

The fourth proportional to 842,422.41, 1,263,447.72 and 243,253.23 is: 364,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,422.41 : 1,263,447.72 = 243,253.23 : x
  2. Step 2: Convert to fraction form
    842,422.41/1,263,447.72 = 243,253.23/x
  3. Step 3: Cross multiply
    842,422.41x = 1,263,447.72 × 243,253.23
  4. Step 4: Simplify right side
    842,422.41x = 307,337,734,088.21
  5. Step 5: Solve for x
    x = 307,337,734,088.21/842,422.41
  6. Step 6: Final answer
    x = 364,826.16

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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.