Finding the Fourth Proportional to 865,462.48, 1,298,316.58 and 266,473.42
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Solution
The fourth proportional to 865,462.48, 1,298,316.58 and 266,473.42 is: 399,747.96
Step by Step Solution
- Step 1: Write the proportion equation
865,462.48 : 1,298,316.58 = 266,473.42 : x - Step 2: Convert to fraction form
865,462.48/1,298,316.58 = 266,473.42/x - Step 3: Cross multiply
865,462.48x = 1,298,316.58 × 266,473.42 - Step 4: Simplify right side
865,462.48x = 345,966,859,315.30 - Step 5: Solve for x
x = 345,966,859,315.30/865,462.48 - Step 6: Final answer
x = 399,747.96
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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.