Home / 840,375.14-1,159,698.89-458,415.59

Finding the Fourth Proportional to 840,375.14, 1,159,698.89 and 458,415.59

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Solution

The fourth proportional to 840,375.14, 1,159,698.89 and 458,415.59 is: 632,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,375.14 : 1,159,698.89 = 458,415.59 : x
  2. Step 2: Convert to fraction form
    840,375.14/1,159,698.89 = 458,415.59/x
  3. Step 3: Cross multiply
    840,375.14x = 1,159,698.89 × 458,415.59
  4. Step 4: Simplify right side
    840,375.14x = 531,624,048,589.62
  5. Step 5: Solve for x
    x = 531,624,048,589.62/840,375.14
  6. Step 6: Final answer
    x = 632,603.25

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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.