Home / 626,515.56-864,584.28-340,035.84

Finding the Fourth Proportional to 626,515.56, 864,584.28 and 340,035.84

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Solution

The fourth proportional to 626,515.56, 864,584.28 and 340,035.84 is: 469,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,515.56 : 864,584.28 = 340,035.84 : x
  2. Step 2: Convert to fraction form
    626,515.56/864,584.28 = 340,035.84/x
  3. Step 3: Cross multiply
    626,515.56x = 864,584.28 × 340,035.84
  4. Step 4: Simplify right side
    626,515.56x = 293,989,641,900.60
  5. Step 5: Solve for x
    x = 293,989,641,900.60/626,515.56
  6. Step 6: Final answer
    x = 469,245.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.