Home / 780,019.50-1,170,029.27-189,043.50

Finding the Fourth Proportional to 780,019.50, 1,170,029.27 and 189,043.50

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Solution

The fourth proportional to 780,019.50, 1,170,029.27 and 189,043.50 is: 283,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,019.50 : 1,170,029.27 = 189,043.50 : x
  2. Step 2: Convert to fraction form
    780,019.50/1,170,029.27 = 189,043.50/x
  3. Step 3: Cross multiply
    780,019.50x = 1,170,029.27 × 189,043.50
  4. Step 4: Simplify right side
    780,019.50x = 221,186,428,303.25
  5. Step 5: Solve for x
    x = 221,186,428,303.25/780,019.50
  6. Step 6: Final answer
    x = 283,565.25

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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.