Home / 1,504.07-2,255.53-723.58

Finding the Fourth Proportional to 1,504.07, 2,255.53 and 723.58

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Solution

The fourth proportional to 1,504.07, 2,255.53 and 723.58 is: 1,085.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.07 : 2,255.53 = 723.58 : x
  2. Step 2: Convert to fraction form
    1,504.07/2,255.53 = 723.58/x
  3. Step 3: Cross multiply
    1,504.07x = 2,255.53 × 723.58
  4. Step 4: Simplify right side
    1,504.07x = 1,632,056.40
  5. Step 5: Solve for x
    x = 1,632,056.40/1,504.07
  6. Step 6: Final answer
    x = 1,085.09

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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.