Home / 780,051.38-1,170,077.06-189,075.38

Finding the Fourth Proportional to 780,051.38, 1,170,077.06 and 189,075.38

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Solution

The fourth proportional to 780,051.38, 1,170,077.06 and 189,075.38 is: 283,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,051.38 : 1,170,077.06 = 189,075.38 : x
  2. Step 2: Convert to fraction form
    780,051.38/1,170,077.06 = 189,075.38/x
  3. Step 3: Cross multiply
    780,051.38x = 1,170,077.06 × 189,075.38
  4. Step 4: Simplify right side
    780,051.38x = 221,232,759,371.09
  5. Step 5: Solve for x
    x = 221,232,759,371.09/780,051.38
  6. Step 6: Final answer
    x = 283,613.06

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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.