Finding the Fourth Proportional to 1,068,313.05, 1,602,627.93 and 310,160.75
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Solution
The fourth proportional to 1,068,313.05, 1,602,627.93 and 310,160.75 is: 465,287.09
Step by Step Solution
- Step 1: Write the proportion equation
1,068,313.05 : 1,602,627.93 = 310,160.75 : x - Step 2: Convert to fraction form
1,068,313.05/1,602,627.93 = 310,160.75/x - Step 3: Cross multiply
1,068,313.05x = 1,602,627.93 × 310,160.75 - Step 4: Simplify right side
1,068,313.05x = 497,072,272,726.61 - Step 5: Solve for x
x = 497,072,272,726.61/1,068,313.05 - Step 6: Final answer
x = 465,287.09
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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.