Home / 734,879.04-1,101,889.56-285,074.32

Finding the Fourth Proportional to 734,879.04, 1,101,889.56 and 285,074.32

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Solution

The fourth proportional to 734,879.04, 1,101,889.56 and 285,074.32 is: 427,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,879.04 : 1,101,889.56 = 285,074.32 : x
  2. Step 2: Convert to fraction form
    734,879.04/1,101,889.56 = 285,074.32/x
  3. Step 3: Cross multiply
    734,879.04x = 1,101,889.56 × 285,074.32
  4. Step 4: Simplify right side
    734,879.04x = 314,120,417,032.10
  5. Step 5: Solve for x
    x = 314,120,417,032.10/734,879.04
  6. Step 6: Final answer
    x = 427,445.06

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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.