Finding the Fourth Proportional to 763,957.18, 1,054,199.19 and 441,688.05
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Solution
The fourth proportional to 763,957.18, 1,054,199.19 and 441,688.05 is: 609,493.82
Step by Step Solution
- Step 1: Write the proportion equation
763,957.18 : 1,054,199.19 = 441,688.05 : x - Step 2: Convert to fraction form
763,957.18/1,054,199.19 = 441,688.05/x - Step 3: Cross multiply
763,957.18x = 1,054,199.19 × 441,688.05 - Step 4: Simplify right side
763,957.18x = 465,627,179,271.68 - Step 5: Solve for x
x = 465,627,179,271.68/763,957.18 - Step 6: Final answer
x = 609,493.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.