Home / 714,188.64-1,071,352.08-208,738.24

Finding the Fourth Proportional to 714,188.64, 1,071,352.08 and 208,738.24

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Solution

The fourth proportional to 714,188.64, 1,071,352.08 and 208,738.24 is: 313,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,188.64 : 1,071,352.08 = 208,738.24 : x
  2. Step 2: Convert to fraction form
    714,188.64/1,071,352.08 = 208,738.24/x
  3. Step 3: Cross multiply
    714,188.64x = 1,071,352.08 × 208,738.24
  4. Step 4: Simplify right side
    714,188.64x = 223,632,147,599.54
  5. Step 5: Solve for x
    x = 223,632,147,599.54/714,188.64
  6. Step 6: Final answer
    x = 313,127.56

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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.