Finding the Fourth Proportional to 772,263.14, 1,158,382.26 and 239,784.68
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Solution
The fourth proportional to 772,263.14, 1,158,382.26 and 239,784.68 is: 359,673.15
Step by Step Solution
- Step 1: Write the proportion equation
772,263.14 : 1,158,382.26 = 239,784.68 : x - Step 2: Convert to fraction form
772,263.14/1,158,382.26 = 239,784.68/x - Step 3: Cross multiply
772,263.14x = 1,158,382.26 × 239,784.68 - Step 4: Simplify right side
772,263.14x = 277,762,319,531.78 - Step 5: Solve for x
x = 277,762,319,531.78/772,263.14 - Step 6: Final answer
x = 359,673.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.