Home / 743,094.90-1,114,640.30-210,620.55

Finding the Fourth Proportional to 743,094.90, 1,114,640.30 and 210,620.55

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Solution

The fourth proportional to 743,094.90, 1,114,640.30 and 210,620.55 is: 315,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,094.90 : 1,114,640.30 = 210,620.55 : x
  2. Step 2: Convert to fraction form
    743,094.90/1,114,640.30 = 210,620.55/x
  3. Step 3: Cross multiply
    743,094.90x = 1,114,640.30 × 210,620.55
  4. Step 4: Simplify right side
    743,094.90x = 234,766,151,985.06
  5. Step 5: Solve for x
    x = 234,766,151,985.06/743,094.90
  6. Step 6: Final answer
    x = 315,930.24

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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.