Home / 839,293.48-1,259,119.23-270,706.51

Finding the Fourth Proportional to 839,293.48, 1,259,119.23 and 270,706.51

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Solution

The fourth proportional to 839,293.48, 1,259,119.23 and 270,706.51 is: 406,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,293.48 : 1,259,119.23 = 270,706.51 : x
  2. Step 2: Convert to fraction form
    839,293.48/1,259,119.23 = 270,706.51/x
  3. Step 3: Cross multiply
    839,293.48x = 1,259,119.23 × 270,706.51
  4. Step 4: Simplify right side
    839,293.48x = 340,851,772,427.19
  5. Step 5: Solve for x
    x = 340,851,772,427.19/839,293.48
  6. Step 6: Final answer
    x = 406,117.50

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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.