Finding the Fourth Proportional to 585,009.80, 877,514.70 and 538,929.80
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Solution
The fourth proportional to 585,009.80, 877,514.70 and 538,929.80 is: 808,394.70
Step by Step Solution
- Step 1: Write the proportion equation
585,009.80 : 877,514.70 = 538,929.80 : x - Step 2: Convert to fraction form
585,009.80/877,514.70 = 538,929.80/x - Step 3: Cross multiply
585,009.80x = 877,514.70 × 538,929.80 - Step 4: Simplify right side
585,009.80x = 472,918,821,768.06 - Step 5: Solve for x
x = 472,918,821,768.06/585,009.80 - Step 6: Final answer
x = 808,394.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.