Finding the Fourth Proportional to 872,953.16, 1,204,663.76 and 490,979.96
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Solution
The fourth proportional to 872,953.16, 1,204,663.76 and 490,979.96 is: 677,545.82
Step by Step Solution
- Step 1: Write the proportion equation
872,953.16 : 1,204,663.76 = 490,979.96 : x - Step 2: Convert to fraction form
872,953.16/1,204,663.76 = 490,979.96/x - Step 3: Cross multiply
872,953.16x = 1,204,663.76 × 490,979.96 - Step 4: Simplify right side
872,953.16x = 591,465,764,698.25 - Step 5: Solve for x
x = 591,465,764,698.25/872,953.16 - Step 6: Final answer
x = 677,545.82
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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.