Finding the Fourth Proportional to 579,687.84, 870,066.97 and 417,750.21
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Solution
The fourth proportional to 579,687.84, 870,066.97 and 417,750.21 is: 627,011.01
Step by Step Solution
- Step 1: Write the proportion equation
579,687.84 : 870,066.97 = 417,750.21 : x - Step 2: Convert to fraction form
579,687.84/870,066.97 = 417,750.21/x - Step 3: Cross multiply
579,687.84x = 870,066.97 × 417,750.21 - Step 4: Simplify right side
579,687.84x = 363,470,658,387.19 - Step 5: Solve for x
x = 363,470,658,387.19/579,687.84 - Step 6: Final answer
x = 627,011.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.