Finding the Fourth Proportional to 927,407.91, 1,277,637.98 and 871,606.60
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Solution
The fourth proportional to 927,407.91, 1,277,637.98 and 871,606.60 is: 1,200,763.65
Step by Step Solution
- Step 1: Write the proportion equation
927,407.91 : 1,277,637.98 = 871,606.60 : x - Step 2: Convert to fraction form
927,407.91/1,277,637.98 = 871,606.60/x - Step 3: Cross multiply
927,407.91x = 1,277,637.98 × 871,606.60 - Step 4: Simplify right side
927,407.91x = 1,113,597,697,957.68 - Step 5: Solve for x
x = 1,113,597,697,957.68/927,407.91 - Step 6: Final answer
x = 1,200,763.65
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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.