Home / 851,015.06-1,276,526.70-251,987.52

Finding the Fourth Proportional to 851,015.06, 1,276,526.70 and 251,987.52

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Solution

The fourth proportional to 851,015.06, 1,276,526.70 and 251,987.52 is: 377,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,015.06 : 1,276,526.70 = 251,987.52 : x
  2. Step 2: Convert to fraction form
    851,015.06/1,276,526.70 = 251,987.52/x
  3. Step 3: Cross multiply
    851,015.06x = 1,276,526.70 × 251,987.52
  4. Step 4: Simplify right side
    851,015.06x = 321,668,797,346.78
  5. Step 5: Solve for x
    x = 321,668,797,346.78/851,015.06
  6. Step 6: Final answer
    x = 377,982.50

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Double scale
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Similar ratio
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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.