Home / 698,722.60-1,047,336.60-361,423.84

Finding the Fourth Proportional to 698,722.60, 1,047,336.60 and 361,423.84

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Solution

The fourth proportional to 698,722.60, 1,047,336.60 and 361,423.84 is: 541,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,722.60 : 1,047,336.60 = 361,423.84 : x
  2. Step 2: Convert to fraction form
    698,722.60/1,047,336.60 = 361,423.84/x
  3. Step 3: Cross multiply
    698,722.60x = 1,047,336.60 × 361,423.84
  4. Step 4: Simplify right side
    698,722.60x = 378,532,415,744.54
  5. Step 5: Solve for x
    x = 378,532,415,744.54/698,722.60
  6. Step 6: Final answer
    x = 541,749.21

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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.