Finding the Fourth Proportional to 894,395.13, 1,234,958.07 and 687,335.54
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Solution
The fourth proportional to 894,395.13, 1,234,958.07 and 687,335.54 is: 949,055.45
Step by Step Solution
- Step 1: Write the proportion equation
894,395.13 : 1,234,958.07 = 687,335.54 : x - Step 2: Convert to fraction form
894,395.13/1,234,958.07 = 687,335.54/x - Step 3: Cross multiply
894,395.13x = 1,234,958.07 × 687,335.54 - Step 4: Simplify right side
894,395.13x = 848,830,568,484.13 - Step 5: Solve for x
x = 848,830,568,484.13/894,395.13 - Step 6: Final answer
x = 949,055.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.