Home / 670,223.63-1,004,770.78-290,858.72

Finding the Fourth Proportional to 670,223.63, 1,004,770.78 and 290,858.72

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Solution

The fourth proportional to 670,223.63, 1,004,770.78 and 290,858.72 is: 436,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,223.63 : 1,004,770.78 = 290,858.72 : x
  2. Step 2: Convert to fraction form
    670,223.63/1,004,770.78 = 290,858.72/x
  3. Step 3: Cross multiply
    670,223.63x = 1,004,770.78 × 290,858.72
  4. Step 4: Simplify right side
    670,223.63x = 292,246,337,213.20
  5. Step 5: Solve for x
    x = 292,246,337,213.20/670,223.63
  6. Step 6: Final answer
    x = 436,043.02

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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.