Finding the Fourth Proportional to 681,549.52, 940,698.62 and 423,621.28
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Solution
The fourth proportional to 681,549.52, 940,698.62 and 423,621.28 is: 584,696.99
Step by Step Solution
- Step 1: Write the proportion equation
681,549.52 : 940,698.62 = 423,621.28 : x - Step 2: Convert to fraction form
681,549.52/940,698.62 = 423,621.28/x - Step 3: Cross multiply
681,549.52x = 940,698.62 × 423,621.28 - Step 4: Simplify right side
681,549.52x = 398,499,953,498.63 - Step 5: Solve for x
x = 398,499,953,498.63/681,549.52 - Step 6: Final answer
x = 584,696.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.