Finding the Fourth Proportional to 657,502.05, 986,285.48 and 342,574.05
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Solution
The fourth proportional to 657,502.05, 986,285.48 and 342,574.05 is: 513,877.96
Step by Step Solution
- Step 1: Write the proportion equation
657,502.05 : 986,285.48 = 342,574.05 : x - Step 2: Convert to fraction form
657,502.05/986,285.48 = 342,574.05/x - Step 3: Cross multiply
657,502.05x = 986,285.48 × 342,574.05 - Step 4: Simplify right side
657,502.05x = 337,875,809,626.92 - Step 5: Solve for x
x = 337,875,809,626.92/657,502.05 - Step 6: Final answer
x = 513,877.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.