Finding the Fourth Proportional to 877,468.76, 1,316,036.68 and 427,737.32
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Solution
The fourth proportional to 877,468.76, 1,316,036.68 and 427,737.32 is: 641,524.84
Step by Step Solution
- Step 1: Write the proportion equation
877,468.76 : 1,316,036.68 = 427,737.32 : x - Step 2: Convert to fraction form
877,468.76/1,316,036.68 = 427,737.32/x - Step 3: Cross multiply
877,468.76x = 1,316,036.68 × 427,737.32 - Step 4: Simplify right side
877,468.76x = 562,918,002,524.90 - Step 5: Solve for x
x = 562,918,002,524.90/877,468.76 - Step 6: Final answer
x = 641,524.84
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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.