Home / 719,500.07-1,078,680.75-270,170.89

Finding the Fourth Proportional to 719,500.07, 1,078,680.75 and 270,170.89

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Solution

The fourth proportional to 719,500.07, 1,078,680.75 and 270,170.89 is: 405,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,500.07 : 1,078,680.75 = 270,170.89 : x
  2. Step 2: Convert to fraction form
    719,500.07/1,078,680.75 = 270,170.89/x
  3. Step 3: Cross multiply
    719,500.07x = 1,078,680.75 × 270,170.89
  4. Step 4: Simplify right side
    719,500.07x = 291,428,140,611.10
  5. Step 5: Solve for x
    x = 291,428,140,611.10/719,500.07
  6. Step 6: Final answer
    x = 405,042.55

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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.