Finding the Fourth Proportional to 872,034.91, 1,203,345.66 and 479,595.49
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Solution
The fourth proportional to 872,034.91, 1,203,345.66 and 479,595.49 is: 661,807.39
Step by Step Solution
- Step 1: Write the proportion equation
872,034.91 : 1,203,345.66 = 479,595.49 : x - Step 2: Convert to fraction form
872,034.91/1,203,345.66 = 479,595.49/x - Step 3: Cross multiply
872,034.91x = 1,203,345.66 × 479,595.49 - Step 4: Simplify right side
872,034.91x = 577,119,151,447.07 - Step 5: Solve for x
x = 577,119,151,447.07/872,034.91 - Step 6: Final answer
x = 661,807.39
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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.