Finding the Fourth Proportional to 764,154.60, 1,054,482.12 and 419,983.08
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Solution
The fourth proportional to 764,154.60, 1,054,482.12 and 419,983.08 is: 579,548.50
Step by Step Solution
- Step 1: Write the proportion equation
764,154.60 : 1,054,482.12 = 419,983.08 : x - Step 2: Convert to fraction form
764,154.60/1,054,482.12 = 419,983.08/x - Step 3: Cross multiply
764,154.60x = 1,054,482.12 × 419,983.08 - Step 4: Simplify right side
764,154.60x = 442,864,648,562.53 - Step 5: Solve for x
x = 442,864,648,562.53/764,154.60 - Step 6: Final answer
x = 579,548.50
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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.