Finding the Fourth Proportional to 798,501.76, 1,101,929.82 and 435,930.08
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Solution
The fourth proportional to 798,501.76, 1,101,929.82 and 435,930.08 is: 601,582.09
Step by Step Solution
- Step 1: Write the proportion equation
798,501.76 : 1,101,929.82 = 435,930.08 : x - Step 2: Convert to fraction form
798,501.76/1,101,929.82 = 435,930.08/x - Step 3: Cross multiply
798,501.76x = 1,101,929.82 × 435,930.08 - Step 4: Simplify right side
798,501.76x = 480,364,354,586.99 - Step 5: Solve for x
x = 480,364,354,586.99/798,501.76 - Step 6: Final answer
x = 601,582.09
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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.