Finding the Fourth Proportional to 936,523.98, 1,292,403.10 and 506,804.08
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Solution
The fourth proportional to 936,523.98, 1,292,403.10 and 506,804.08 is: 699,389.63
Step by Step Solution
- Step 1: Write the proportion equation
936,523.98 : 1,292,403.10 = 506,804.08 : x - Step 2: Convert to fraction form
936,523.98/1,292,403.10 = 506,804.08/x - Step 3: Cross multiply
936,523.98x = 1,292,403.10 × 506,804.08 - Step 4: Simplify right side
936,523.98x = 654,995,164,084.65 - Step 5: Solve for x
x = 654,995,164,084.65/936,523.98 - Step 6: Final answer
x = 699,389.63
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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.