Home / 742,560.33-1,024,705.83-403,021.29

Finding the Fourth Proportional to 742,560.33, 1,024,705.83 and 403,021.29

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Solution

The fourth proportional to 742,560.33, 1,024,705.83 and 403,021.29 is: 556,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,560.33 : 1,024,705.83 = 403,021.29 : x
  2. Step 2: Convert to fraction form
    742,560.33/1,024,705.83 = 403,021.29/x
  3. Step 3: Cross multiply
    742,560.33x = 1,024,705.83 × 403,021.29
  4. Step 4: Simplify right side
    742,560.33x = 412,978,265,477.12
  5. Step 5: Solve for x
    x = 412,978,265,477.12/742,560.33
  6. Step 6: Final answer
    x = 556,154.50

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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.