Finding the Fourth Proportional to 870,557.60, 1,305,805.92 and 358,204.24
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Solution
The fourth proportional to 870,557.60, 1,305,805.92 and 358,204.24 is: 537,293.82
Step by Step Solution
- Step 1: Write the proportion equation
870,557.60 : 1,305,805.92 = 358,204.24 : x - Step 2: Convert to fraction form
870,557.60/1,305,805.92 = 358,204.24/x - Step 3: Cross multiply
870,557.60x = 1,305,805.92 × 358,204.24 - Step 4: Simplify right side
870,557.60x = 467,745,217,161.10 - Step 5: Solve for x
x = 467,745,217,161.10/870,557.60 - Step 6: Final answer
x = 537,293.82
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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.