Home / 677,541.70-1,016,312.55-228,113.20

Finding the Fourth Proportional to 677,541.70, 1,016,312.55 and 228,113.20

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Solution

The fourth proportional to 677,541.70, 1,016,312.55 and 228,113.20 is: 342,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,541.70 : 1,016,312.55 = 228,113.20 : x
  2. Step 2: Convert to fraction form
    677,541.70/1,016,312.55 = 228,113.20/x
  3. Step 3: Cross multiply
    677,541.70x = 1,016,312.55 × 228,113.20
  4. Step 4: Simplify right side
    677,541.70x = 231,834,307,980.66
  5. Step 5: Solve for x
    x = 231,834,307,980.66/677,541.70
  6. Step 6: Final answer
    x = 342,169.80

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Similar ratio
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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.