Finding the Fourth Proportional to 749,341.17, 1,034,088.55 and 405,174.70
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Solution
The fourth proportional to 749,341.17, 1,034,088.55 and 405,174.70 is: 559,139.86
Step by Step Solution
- Step 1: Write the proportion equation
749,341.17 : 1,034,088.55 = 405,174.70 : x - Step 2: Convert to fraction form
749,341.17/1,034,088.55 = 405,174.70/x - Step 3: Cross multiply
749,341.17x = 1,034,088.55 × 405,174.70 - Step 4: Simplify right side
749,341.17x = 418,986,514,421.53 - Step 5: Solve for x
x = 418,986,514,421.53/749,341.17 - Step 6: Final answer
x = 559,139.86
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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.