Home / 708,158.09-1,062,388.20-228,412.86

Finding the Fourth Proportional to 708,158.09, 1,062,388.20 and 228,412.86

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Solution

The fourth proportional to 708,158.09, 1,062,388.20 and 228,412.86 is: 342,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,158.09 : 1,062,388.20 = 228,412.86 : x
  2. Step 2: Convert to fraction form
    708,158.09/1,062,388.20 = 228,412.86/x
  3. Step 3: Cross multiply
    708,158.09x = 1,062,388.20 × 228,412.86
  4. Step 4: Simplify right side
    708,158.09x = 242,663,130,040.78
  5. Step 5: Solve for x
    x = 242,663,130,040.78/708,158.09
  6. Step 6: Final answer
    x = 342,668.02

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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.