Finding the Fourth Proportional to 714,753.92, 986,410.68 and 472,615.76
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Solution
The fourth proportional to 714,753.92, 986,410.68 and 472,615.76 is: 652,242.99
Step by Step Solution
- Step 1: Write the proportion equation
714,753.92 : 986,410.68 = 472,615.76 : x - Step 2: Convert to fraction form
714,753.92/986,410.68 = 472,615.76/x - Step 3: Cross multiply
714,753.92x = 986,410.68 × 472,615.76 - Step 4: Simplify right side
714,753.92x = 466,193,233,200.32 - Step 5: Solve for x
x = 466,193,233,200.32/714,753.92 - Step 6: Final answer
x = 652,242.99
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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.