Finding the Fourth Proportional to 936,927.38, 1,292,949.06 and 507,198.08
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Solution
The fourth proportional to 936,927.38, 1,292,949.06 and 507,198.08 is: 699,927.54
Step by Step Solution
- Step 1: Write the proportion equation
936,927.38 : 1,292,949.06 = 507,198.08 : x - Step 2: Convert to fraction form
936,927.38/1,292,949.06 = 507,198.08/x - Step 3: Cross multiply
936,927.38x = 1,292,949.06 × 507,198.08 - Step 4: Simplify right side
936,927.38x = 655,781,280,769.81 - Step 5: Solve for x
x = 655,781,280,769.81/936,927.38 - Step 6: Final answer
x = 699,927.54
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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.