Finding the Fourth Proportional to 669,950.06, 924,427.02 and 398,010.98
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Solution
The fourth proportional to 669,950.06, 924,427.02 and 398,010.98 is: 549,193.33
Step by Step Solution
- Step 1: Write the proportion equation
669,950.06 : 924,427.02 = 398,010.98 : x - Step 2: Convert to fraction form
669,950.06/924,427.02 = 398,010.98/x - Step 3: Cross multiply
669,950.06x = 924,427.02 × 398,010.98 - Step 4: Simplify right side
669,950.06x = 367,932,104,168.68 - Step 5: Solve for x
x = 367,932,104,168.68/669,950.06 - Step 6: Final answer
x = 549,193.33
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1.5x scale
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.