Finding the Fourth Proportional to 879,807.64, 1,319,809.86 and 248,770.68
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Solution
The fourth proportional to 879,807.64, 1,319,809.86 and 248,770.68 is: 373,183.84
Step by Step Solution
- Step 1: Write the proportion equation
879,807.64 : 1,319,809.86 = 248,770.68 : x - Step 2: Convert to fraction form
879,807.64/1,319,809.86 = 248,770.68/x - Step 3: Cross multiply
879,807.64x = 1,319,809.86 × 248,770.68 - Step 4: Simplify right side
879,807.64x = 328,329,996,342.91 - Step 5: Solve for x
x = 328,329,996,342.91/879,807.64 - Step 6: Final answer
x = 373,183.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.