Finding the Fourth Proportional to 561,215.18, 772,902.51 and 525,194.48
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Solution
The fourth proportional to 561,215.18, 772,902.51 and 525,194.48 is: 723,294.99
Step by Step Solution
- Step 1: Write the proportion equation
561,215.18 : 772,902.51 = 525,194.48 : x - Step 2: Convert to fraction form
561,215.18/772,902.51 = 525,194.48/x - Step 3: Cross multiply
561,215.18x = 772,902.51 × 525,194.48 - Step 4: Simplify right side
561,215.18x = 405,924,131,792.92 - Step 5: Solve for x
x = 405,924,131,792.92/561,215.18 - Step 6: Final answer
x = 723,294.99
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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.