Home / 983,260.60-1,475,350.14-509,687.56

Finding the Fourth Proportional to 983,260.60, 1,475,350.14 and 509,687.56

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Solution

The fourth proportional to 983,260.60, 1,475,350.14 and 509,687.56 is: 764,769.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,260.60 : 1,475,350.14 = 509,687.56 : x
  2. Step 2: Convert to fraction form
    983,260.60/1,475,350.14 = 509,687.56/x
  3. Step 3: Cross multiply
    983,260.60x = 1,475,350.14 × 509,687.56
  4. Step 4: Simplify right side
    983,260.60x = 751,967,613,002.26
  5. Step 5: Solve for x
    x = 751,967,613,002.26/983,260.60
  6. Step 6: Final answer
    x = 764,769.39

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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.