Home / 742,775.55-1,112,346.25-670,889.94

Finding the Fourth Proportional to 742,775.55, 1,112,346.25 and 670,889.94

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Solution

The fourth proportional to 742,775.55, 1,112,346.25 and 670,889.94 is: 1,004,693.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,775.55 : 1,112,346.25 = 670,889.94 : x
  2. Step 2: Convert to fraction form
    742,775.55/1,112,346.25 = 670,889.94/x
  3. Step 3: Cross multiply
    742,775.55x = 1,112,346.25 × 670,889.94
  4. Step 4: Simplify right side
    742,775.55x = 746,261,907,244.50
  5. Step 5: Solve for x
    x = 746,261,907,244.50/742,775.55
  6. Step 6: Final answer
    x = 1,004,693.69

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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.