Finding the Fourth Proportional to 669,662.74, 924,141.56 and 363,745.08
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Solution
The fourth proportional to 669,662.74, 924,141.56 and 363,745.08 is: 501,972.00
Step by Step Solution
- Step 1: Write the proportion equation
669,662.74 : 924,141.56 = 363,745.08 : x - Step 2: Convert to fraction form
669,662.74/924,141.56 = 363,745.08/x - Step 3: Cross multiply
669,662.74x = 924,141.56 × 363,745.08 - Step 4: Simplify right side
669,662.74x = 336,151,943,854.80 - Step 5: Solve for x
x = 336,151,943,854.80/669,662.74 - Step 6: Final answer
x = 501,972.00
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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.