Finding the Fourth Proportional to 527,802.48, 728,446.68 and 415,470.96
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Solution
The fourth proportional to 527,802.48, 728,446.68 and 415,470.96 is: 573,412.31
Step by Step Solution
- Step 1: Write the proportion equation
527,802.48 : 728,446.68 = 415,470.96 : x - Step 2: Convert to fraction form
527,802.48/728,446.68 = 415,470.96/x - Step 3: Cross multiply
527,802.48x = 728,446.68 × 415,470.96 - Step 4: Simplify right side
527,802.48x = 302,648,441,448.41 - Step 5: Solve for x
x = 302,648,441,448.41/527,802.48 - Step 6: Final answer
x = 573,412.31
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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.