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Finding the Fourth Proportional to 655,726.74, 982,900.94 and 300,448.59

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Solution

The fourth proportional to 655,726.74, 982,900.94 and 300,448.59 is: 450,357.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,726.74 : 982,900.94 = 300,448.59 : x
  2. Step 2: Convert to fraction form
    655,726.74/982,900.94 = 300,448.59/x
  3. Step 3: Cross multiply
    655,726.74x = 982,900.94 × 300,448.59
  4. Step 4: Simplify right side
    655,726.74x = 295,311,200,030.43
  5. Step 5: Solve for x
    x = 295,311,200,030.43/655,726.74
  6. Step 6: Final answer
    x = 450,357.11

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1.5x scale

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.