Home / 520,192.35-780,133.01-270,738.27

Finding the Fourth Proportional to 520,192.35, 780,133.01 and 270,738.27

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Solution

The fourth proportional to 520,192.35, 780,133.01 and 270,738.27 is: 406,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,192.35 : 780,133.01 = 270,738.27 : x
  2. Step 2: Convert to fraction form
    520,192.35/780,133.01 = 270,738.27/x
  3. Step 3: Cross multiply
    520,192.35x = 780,133.01 × 270,738.27
  4. Step 4: Simplify right side
    520,192.35x = 211,211,860,143.60
  5. Step 5: Solve for x
    x = 211,211,860,143.60/520,192.35
  6. Step 6: Final answer
    x = 406,026.46

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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.