Home / 708,515.36-1,062,980.09-228,731.91

Finding the Fourth Proportional to 708,515.36, 1,062,980.09 and 228,731.91

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Solution

The fourth proportional to 708,515.36, 1,062,980.09 and 228,731.91 is: 343,164.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,515.36 : 1,062,980.09 = 228,731.91 : x
  2. Step 2: Convert to fraction form
    708,515.36/1,062,980.09 = 228,731.91/x
  3. Step 3: Cross multiply
    708,515.36x = 1,062,980.09 × 228,731.91
  4. Step 4: Simplify right side
    708,515.36x = 243,137,466,277.67
  5. Step 5: Solve for x
    x = 243,137,466,277.67/708,515.36
  6. Step 6: Final answer
    x = 343,164.71

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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.