Finding the Fourth Proportional to 539,588.61, 744,722.33 and 515,673.09
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Solution
The fourth proportional to 539,588.61, 744,722.33 and 515,673.09 is: 711,714.92
Step by Step Solution
- Step 1: Write the proportion equation
539,588.61 : 744,722.33 = 515,673.09 : x - Step 2: Convert to fraction form
539,588.61/744,722.33 = 515,673.09/x - Step 3: Cross multiply
539,588.61x = 744,722.33 × 515,673.09 - Step 4: Simplify right side
539,588.61x = 384,033,262,524.73 - Step 5: Solve for x
x = 384,033,262,524.73/539,588.61 - Step 6: Final answer
x = 711,714.92
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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.