Finding the Fourth Proportional to 849,714.79, 1,172,632.82 and 462,555.99
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Solution
The fourth proportional to 849,714.79, 1,172,632.82 and 462,555.99 is: 638,341.64
Step by Step Solution
- Step 1: Write the proportion equation
849,714.79 : 1,172,632.82 = 462,555.99 : x - Step 2: Convert to fraction form
849,714.79/1,172,632.82 = 462,555.99/x - Step 3: Cross multiply
849,714.79x = 1,172,632.82 × 462,555.99 - Step 4: Simplify right side
849,714.79x = 542,408,332,648.81 - Step 5: Solve for x
x = 542,408,332,648.81/849,714.79 - Step 6: Final answer
x = 638,341.64
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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.