Finding the Fourth Proportional to 986,528.04, 1,361,415.05 and 578,546.84
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Solution
The fourth proportional to 986,528.04, 1,361,415.05 and 578,546.84 is: 798,398.36
Step by Step Solution
- Step 1: Write the proportion equation
986,528.04 : 1,361,415.05 = 578,546.84 : x - Step 2: Convert to fraction form
986,528.04/1,361,415.05 = 578,546.84/x - Step 3: Cross multiply
986,528.04x = 1,361,415.05 × 578,546.84 - Step 4: Simplify right side
986,528.04x = 787,642,365,406.13 - Step 5: Solve for x
x = 787,642,365,406.13/986,528.04 - Step 6: Final answer
x = 798,398.36
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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.