Home / 742,828.69-1,114,623.05-353,775.56

Finding the Fourth Proportional to 742,828.69, 1,114,623.05 and 353,775.56

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Solution

The fourth proportional to 742,828.69, 1,114,623.05 and 353,775.56 is: 530,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,828.69 : 1,114,623.05 = 353,775.56 : x
  2. Step 2: Convert to fraction form
    742,828.69/1,114,623.05 = 353,775.56/x
  3. Step 3: Cross multiply
    742,828.69x = 1,114,623.05 × 353,775.56
  4. Step 4: Simplify right side
    742,828.69x = 394,326,396,047.00
  5. Step 5: Solve for x
    x = 394,326,396,047.00/742,828.69
  6. Step 6: Final answer
    x = 530,844.33

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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.