Home / 427,310.60-589,678.57-236,319.89

Finding the Fourth Proportional to 427,310.60, 589,678.57 and 236,319.89

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Solution

The fourth proportional to 427,310.60, 589,678.57 and 236,319.89 is: 326,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,310.60 : 589,678.57 = 236,319.89 : x
  2. Step 2: Convert to fraction form
    427,310.60/589,678.57 = 236,319.89/x
  3. Step 3: Cross multiply
    427,310.60x = 589,678.57 × 236,319.89
  4. Step 4: Simplify right side
    427,310.60x = 139,352,774,797.76
  5. Step 5: Solve for x
    x = 139,352,774,797.76/427,310.60
  6. Step 6: Final answer
    x = 326,115.89

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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.