Finding the Fourth Proportional to 845,265.48, 1,168,012.91 and 615,423.62
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Solution
The fourth proportional to 845,265.48, 1,168,012.91 and 615,423.62 is: 850,410.62
Step by Step Solution
- Step 1: Write the proportion equation
845,265.48 : 1,168,012.91 = 615,423.62 : x - Step 2: Convert to fraction form
845,265.48/1,168,012.91 = 615,423.62/x - Step 3: Cross multiply
845,265.48x = 1,168,012.91 × 615,423.62 - Step 4: Simplify right side
845,265.48x = 718,822,737,737.53 - Step 5: Solve for x
x = 718,822,737,737.53/845,265.48 - Step 6: Final answer
x = 850,410.62
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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.