Home / 734,888.85-1,101,904.24-285,084.12

Finding the Fourth Proportional to 734,888.85, 1,101,904.24 and 285,084.12

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Solution

The fourth proportional to 734,888.85, 1,101,904.24 and 285,084.12 is: 427,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,888.85 : 1,101,904.24 = 285,084.12 : x
  2. Step 2: Convert to fraction form
    734,888.85/1,101,904.24 = 285,084.12/x
  3. Step 3: Cross multiply
    734,888.85x = 1,101,904.24 × 285,084.12
  4. Step 4: Simplify right side
    734,888.85x = 314,135,400,584.67
  5. Step 5: Solve for x
    x = 314,135,400,584.67/734,888.85
  6. Step 6: Final answer
    x = 427,459.75

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Double scale
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Similar ratio
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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.