Finding the Fourth Proportional to 790,730.39, 1,090,925.66 and 484,696.19
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Solution
The fourth proportional to 790,730.39, 1,090,925.66 and 484,696.19 is: 668,707.71
Step by Step Solution
- Step 1: Write the proportion equation
790,730.39 : 1,090,925.66 = 484,696.19 : x - Step 2: Convert to fraction form
790,730.39/1,090,925.66 = 484,696.19/x - Step 3: Cross multiply
790,730.39x = 1,090,925.66 × 484,696.19 - Step 4: Simplify right side
790,730.39x = 528,767,503,097.13 - Step 5: Solve for x
x = 528,767,503,097.13/790,730.39 - Step 6: Final answer
x = 668,707.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.