Home / 742,736.77-1,114,180.65-256,355.62

Finding the Fourth Proportional to 742,736.77, 1,114,180.65 and 256,355.62

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Solution

The fourth proportional to 742,736.77, 1,114,180.65 and 256,355.62 is: 384,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,736.77 : 1,114,180.65 = 256,355.62 : x
  2. Step 2: Convert to fraction form
    742,736.77/1,114,180.65 = 256,355.62/x
  3. Step 3: Cross multiply
    742,736.77x = 1,114,180.65 × 256,355.62
  4. Step 4: Simplify right side
    742,736.77x = 285,626,468,537.30
  5. Step 5: Solve for x
    x = 285,626,468,537.30/742,736.77
  6. Step 6: Final answer
    x = 384,559.48

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1.5x scale

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.