Home / 742,539.03-1,024,704.32-403,007.28

Finding the Fourth Proportional to 742,539.03, 1,024,704.32 and 403,007.28

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Solution

The fourth proportional to 742,539.03, 1,024,704.32 and 403,007.28 is: 556,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,539.03 : 1,024,704.32 = 403,007.28 : x
  2. Step 2: Convert to fraction form
    742,539.03/1,024,704.32 = 403,007.28/x
  3. Step 3: Cross multiply
    742,539.03x = 1,024,704.32 × 403,007.28
  4. Step 4: Simplify right side
    742,539.03x = 412,963,298,792.41
  5. Step 5: Solve for x
    x = 412,963,298,792.41/742,539.03
  6. Step 6: Final answer
    x = 556,150.29

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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.