Home / 783,108.60-1,174,662.90-546,912.60

Finding the Fourth Proportional to 783,108.60, 1,174,662.90 and 546,912.60

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Solution

The fourth proportional to 783,108.60, 1,174,662.90 and 546,912.60 is: 820,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,108.60 : 1,174,662.90 = 546,912.60 : x
  2. Step 2: Convert to fraction form
    783,108.60/1,174,662.90 = 546,912.60/x
  3. Step 3: Cross multiply
    783,108.60x = 1,174,662.90 × 546,912.60
  4. Step 4: Simplify right side
    783,108.60x = 642,437,940,762.54
  5. Step 5: Solve for x
    x = 642,437,940,762.54/783,108.60
  6. Step 6: Final answer
    x = 820,368.90

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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.