Finding the Fourth Proportional to 669,769.39, 924,296.97 and 363,856.69
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Solution
The fourth proportional to 669,769.39, 924,296.97 and 363,856.69 is: 502,130.50
Step by Step Solution
- Step 1: Write the proportion equation
669,769.39 : 924,296.97 = 363,856.69 : x - Step 2: Convert to fraction form
669,769.39/924,296.97 = 363,856.69/x - Step 3: Cross multiply
669,769.39x = 924,296.97 × 363,856.69 - Step 4: Simplify right side
669,769.39x = 336,311,636,081.23 - Step 5: Solve for x
x = 336,311,636,081.23/669,769.39 - Step 6: Final answer
x = 502,130.50
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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.