Finding the Fourth Proportional to 875,031.19, 1,207,543.85 and 472,623.19
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Solution
The fourth proportional to 875,031.19, 1,207,543.85 and 472,623.19 is: 652,220.44
Step by Step Solution
- Step 1: Write the proportion equation
875,031.19 : 1,207,543.85 = 472,623.19 : x - Step 2: Convert to fraction form
875,031.19/1,207,543.85 = 472,623.19/x - Step 3: Cross multiply
875,031.19x = 1,207,543.85 × 472,623.19 - Step 4: Simplify right side
875,031.19x = 570,713,222,842.24 - Step 5: Solve for x
x = 570,713,222,842.24/875,031.19 - Step 6: Final answer
x = 652,220.44
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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.