Finding the Fourth Proportional to 936,167.68, 1,291,907.52 and 506,446.80
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Solution
The fourth proportional to 936,167.68, 1,291,907.52 and 506,446.80 is: 698,894.49
Step by Step Solution
- Step 1: Write the proportion equation
936,167.68 : 1,291,907.52 = 506,446.80 : x - Step 2: Convert to fraction form
936,167.68/1,291,907.52 = 506,446.80/x - Step 3: Cross multiply
936,167.68x = 1,291,907.52 × 506,446.80 - Step 4: Simplify right side
936,167.68x = 654,282,429,399.94 - Step 5: Solve for x
x = 654,282,429,399.94/936,167.68 - Step 6: Final answer
x = 698,894.49
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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.