Finding the Fourth Proportional to 868,673.16, 1,197,271.53 and 577,764.09
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Solution
The fourth proportional to 868,673.16, 1,197,271.53 and 577,764.09 is: 796,318.49
Step by Step Solution
- Step 1: Write the proportion equation
868,673.16 : 1,197,271.53 = 577,764.09 : x - Step 2: Convert to fraction form
868,673.16/1,197,271.53 = 577,764.09/x - Step 3: Cross multiply
868,673.16x = 1,197,271.53 × 577,764.09 - Step 4: Simplify right side
868,673.16x = 691,740,496,013.36 - Step 5: Solve for x
x = 691,740,496,013.36/868,673.16 - Step 6: Final answer
x = 796,318.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.