Finding the Fourth Proportional to 866,643.24, 1,195,963.56 and 484,671.54
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Solution
The fourth proportional to 866,643.24, 1,195,963.56 and 484,671.54 is: 668,844.43
Step by Step Solution
- Step 1: Write the proportion equation
866,643.24 : 1,195,963.56 = 484,671.54 : x - Step 2: Convert to fraction form
866,643.24/1,195,963.56 = 484,671.54/x - Step 3: Cross multiply
866,643.24x = 1,195,963.56 × 484,671.54 - Step 4: Simplify right side
866,643.24x = 579,649,500,409.08 - Step 5: Solve for x
x = 579,649,500,409.08/866,643.24 - Step 6: Final answer
x = 668,844.43
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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.