Finding the Fourth Proportional to 741,656.16, 1,112,482.08 and 268,339.68
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Solution
The fourth proportional to 741,656.16, 1,112,482.08 and 268,339.68 is: 402,508.74
Step by Step Solution
- Step 1: Write the proportion equation
741,656.16 : 1,112,482.08 = 268,339.68 : x - Step 2: Convert to fraction form
741,656.16/1,112,482.08 = 268,339.68/x - Step 3: Cross multiply
741,656.16x = 1,112,482.08 × 268,339.68 - Step 4: Simplify right side
741,656.16x = 298,523,085,352.93 - Step 5: Solve for x
x = 298,523,085,352.93/741,656.16 - Step 6: Final answer
x = 402,508.74
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1.5x scale
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.