Home / 780,009.06-1,170,013.59-189,033.06

Finding the Fourth Proportional to 780,009.06, 1,170,013.59 and 189,033.06

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Solution

The fourth proportional to 780,009.06, 1,170,013.59 and 189,033.06 is: 283,549.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,009.06 : 1,170,013.59 = 189,033.06 : x
  2. Step 2: Convert to fraction form
    780,009.06/1,170,013.59 = 189,033.06/x
  3. Step 3: Cross multiply
    780,009.06x = 1,170,013.59 × 189,033.06
  4. Step 4: Simplify right side
    780,009.06x = 221,171,249,159.29
  5. Step 5: Solve for x
    x = 221,171,249,159.29/780,009.06
  6. Step 6: Final answer
    x = 283,549.59

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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.