Home / 758,511.03-1,137,758.75-438,459.25

Finding the Fourth Proportional to 758,511.03, 1,137,758.75 and 438,459.25

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Solution

The fourth proportional to 758,511.03, 1,137,758.75 and 438,459.25 is: 657,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,511.03 : 1,137,758.75 = 438,459.25 : x
  2. Step 2: Convert to fraction form
    758,511.03/1,137,758.75 = 438,459.25/x
  3. Step 3: Cross multiply
    758,511.03x = 1,137,758.75 × 438,459.25
  4. Step 4: Simplify right side
    758,511.03x = 498,860,848,754.01
  5. Step 5: Solve for x
    x = 498,860,848,754.01/758,511.03
  6. Step 6: Final answer
    x = 657,684.37

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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.