Finding the Fourth Proportional to 875,392.49, 1,208,134.52 and 513,120.73
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Solution
The fourth proportional to 875,392.49, 1,208,134.52 and 513,120.73 is: 708,161.05
Step by Step Solution
- Step 1: Write the proportion equation
875,392.49 : 1,208,134.52 = 513,120.73 : x - Step 2: Convert to fraction form
875,392.49/1,208,134.52 = 513,120.73/x - Step 3: Cross multiply
875,392.49x = 1,208,134.52 × 513,120.73 - Step 4: Simplify right side
875,392.49x = 619,918,865,103.07 - Step 5: Solve for x
x = 619,918,865,103.07/875,392.49 - Step 6: Final answer
x = 708,161.05
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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.