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Finding the Fourth Proportional to 559,705.26, 835,260 and 499,912.68

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Solution

The fourth proportional to 559,705.26, 835,260 and 499,912.68 is: 746,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,705.26 : 835,260 = 499,912.68 : x
  2. Step 2: Convert to fraction form
    559,705.26/835,260 = 499,912.68/x
  3. Step 3: Cross multiply
    559,705.26x = 835,260 × 499,912.68
  4. Step 4: Simplify right side
    559,705.26x = 417,557,065,096.80
  5. Step 5: Solve for x
    x = 417,557,065,096.80/559,705.26
  6. Step 6: Final answer
    x = 746,030.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.