Home / 839,544.51-1,259,316.42-208,458.32

Finding the Fourth Proportional to 839,544.51, 1,259,316.42 and 208,458.32

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Solution

The fourth proportional to 839,544.51, 1,259,316.42 and 208,458.32 is: 312,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,544.51 : 1,259,316.42 = 208,458.32 : x
  2. Step 2: Convert to fraction form
    839,544.51/1,259,316.42 = 208,458.32/x
  3. Step 3: Cross multiply
    839,544.51x = 1,259,316.42 × 208,458.32
  4. Step 4: Simplify right side
    839,544.51x = 262,514,985,261.61
  5. Step 5: Solve for x
    x = 262,514,985,261.61/839,544.51
  6. Step 6: Final answer
    x = 312,687.39

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Double scale
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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.