Home / 684,491.55-1,027,365.08-347,766.45

Finding the Fourth Proportional to 684,491.55, 1,027,365.08 and 347,766.45

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Solution

The fourth proportional to 684,491.55, 1,027,365.08 and 347,766.45 is: 521,968.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,491.55 : 1,027,365.08 = 347,766.45 : x
  2. Step 2: Convert to fraction form
    684,491.55/1,027,365.08 = 347,766.45/x
  3. Step 3: Cross multiply
    684,491.55x = 1,027,365.08 × 347,766.45
  4. Step 4: Simplify right side
    684,491.55x = 357,283,104,986.73
  5. Step 5: Solve for x
    x = 357,283,104,986.73/684,491.55
  6. Step 6: Final answer
    x = 521,968.61

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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.