Finding the Fourth Proportional to 515,937.80, 771,904.37 and 452,279.09
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Solution
The fourth proportional to 515,937.80, 771,904.37 and 452,279.09 is: 676,663.36
Step by Step Solution
- Step 1: Write the proportion equation
515,937.80 : 771,904.37 = 452,279.09 : x - Step 2: Convert to fraction form
515,937.80/771,904.37 = 452,279.09/x - Step 3: Cross multiply
515,937.80x = 771,904.37 × 452,279.09 - Step 4: Simplify right side
515,937.80x = 349,116,209,091.08 - Step 5: Solve for x
x = 349,116,209,091.08/515,937.80 - Step 6: Final answer
x = 676,663.36
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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.