Home / 709,633.40-1,064,620.20-236,322.86

Finding the Fourth Proportional to 709,633.40, 1,064,620.20 and 236,322.86

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Solution

The fourth proportional to 709,633.40, 1,064,620.20 and 236,322.86 is: 354,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,633.40 : 1,064,620.20 = 236,322.86 : x
  2. Step 2: Convert to fraction form
    709,633.40/1,064,620.20 = 236,322.86/x
  3. Step 3: Cross multiply
    709,633.40x = 1,064,620.20 × 236,322.86
  4. Step 4: Simplify right side
    709,633.40x = 251,594,090,477.77
  5. Step 5: Solve for x
    x = 251,594,090,477.77/709,633.40
  6. Step 6: Final answer
    x = 354,540.94

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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.