Finding the Fourth Proportional to 742,208.67, 1,024,161.65 and 415,540.12
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Solution
The fourth proportional to 742,208.67, 1,024,161.65 and 415,540.12 is: 573,397.04
Step by Step Solution
- Step 1: Write the proportion equation
742,208.67 : 1,024,161.65 = 415,540.12 : x - Step 2: Convert to fraction form
742,208.67/1,024,161.65 = 415,540.12/x - Step 3: Cross multiply
742,208.67x = 1,024,161.65 × 415,540.12 - Step 4: Simplify right side
742,208.67x = 425,580,254,142.90 - Step 5: Solve for x
x = 425,580,254,142.90/742,208.67 - Step 6: Final answer
x = 573,397.04
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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.