Finding the Fourth Proportional to 875,121.48, 1,207,777.62 and 512,683.65
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Solution
The fourth proportional to 875,121.48, 1,207,777.62 and 512,683.65 is: 707,567.87
Step by Step Solution
- Step 1: Write the proportion equation
875,121.48 : 1,207,777.62 = 512,683.65 : x - Step 2: Convert to fraction form
875,121.48/1,207,777.62 = 512,683.65/x - Step 3: Cross multiply
875,121.48x = 1,207,777.62 × 512,683.65 - Step 4: Simplify right side
875,121.48x = 619,207,838,609.91 - Step 5: Solve for x
x = 619,207,838,609.91/875,121.48 - Step 6: Final answer
x = 707,567.87
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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.