Finding the Fourth Proportional to 669,948.07, 924,424.26 and 398,008.97
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Solution
The fourth proportional to 669,948.07, 924,424.26 and 398,008.97 is: 549,190.56
Step by Step Solution
- Step 1: Write the proportion equation
669,948.07 : 924,424.26 = 398,008.97 : x - Step 2: Convert to fraction form
669,948.07/924,424.26 = 398,008.97/x - Step 3: Cross multiply
669,948.07x = 924,424.26 × 398,008.97 - Step 4: Simplify right side
669,948.07x = 367,929,152,356.24 - Step 5: Solve for x
x = 367,929,152,356.24/669,948.07 - Step 6: Final answer
x = 549,190.56
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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.