Home / 698,904.89-1,048,468.28-225,479.54

Finding the Fourth Proportional to 698,904.89, 1,048,468.28 and 225,479.54

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Solution

The fourth proportional to 698,904.89, 1,048,468.28 and 225,479.54 is: 338,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,904.89 : 1,048,468.28 = 225,479.54 : x
  2. Step 2: Convert to fraction form
    698,904.89/1,048,468.28 = 225,479.54/x
  3. Step 3: Cross multiply
    698,904.89x = 1,048,468.28 × 225,479.54
  4. Step 4: Simplify right side
    698,904.89x = 236,408,140,800.35
  5. Step 5: Solve for x
    x = 236,408,140,800.35/698,904.89
  6. Step 6: Final answer
    x = 338,255.09

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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.