Finding the Fourth Proportional to 838,014.08, 1,251,322.13 and 790,654.91
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Solution
The fourth proportional to 838,014.08, 1,251,322.13 and 790,654.91 is: 1,180,605.45
Step by Step Solution
- Step 1: Write the proportion equation
838,014.08 : 1,251,322.13 = 790,654.91 : x - Step 2: Convert to fraction form
838,014.08/1,251,322.13 = 790,654.91/x - Step 3: Cross multiply
838,014.08x = 1,251,322.13 × 790,654.91 - Step 4: Simplify right side
838,014.08x = 989,363,981,796.19 - Step 5: Solve for x
x = 989,363,981,796.19/838,014.08 - Step 6: Final answer
x = 1,180,605.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.