Home / 859,828.77-1,289,741.63-228,742.58

Finding the Fourth Proportional to 859,828.77, 1,289,741.63 and 228,742.58

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Solution

The fourth proportional to 859,828.77, 1,289,741.63 and 228,742.58 is: 343,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,828.77 : 1,289,741.63 = 228,742.58 : x
  2. Step 2: Convert to fraction form
    859,828.77/1,289,741.63 = 228,742.58/x
  3. Step 3: Cross multiply
    859,828.77x = 1,289,741.63 × 228,742.58
  4. Step 4: Simplify right side
    859,828.77x = 295,018,827,979.61
  5. Step 5: Solve for x
    x = 295,018,827,979.61/859,828.77
  6. Step 6: Final answer
    x = 343,113.46

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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.