Finding the Fourth Proportional to 859,445.76, 1,186,056.24 and 472,258.02
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Solution
The fourth proportional to 859,445.76, 1,186,056.24 and 472,258.02 is: 651,727.66
Step by Step Solution
- Step 1: Write the proportion equation
859,445.76 : 1,186,056.24 = 472,258.02 : x - Step 2: Convert to fraction form
859,445.76/1,186,056.24 = 472,258.02/x - Step 3: Cross multiply
859,445.76x = 1,186,056.24 × 472,258.02 - Step 4: Simplify right side
859,445.76x = 560,124,571,511.05 - Step 5: Solve for x
x = 560,124,571,511.05/859,445.76 - Step 6: Final answer
x = 651,727.66
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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.