Finding the Fourth Proportional to 936,518.29, 1,292,395.31 and 506,798.44
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Solution
The fourth proportional to 936,518.29, 1,292,395.31 and 506,798.44 is: 699,381.88
Step by Step Solution
- Step 1: Write the proportion equation
936,518.29 : 1,292,395.31 = 506,798.44 : x - Step 2: Convert to fraction form
936,518.29/1,292,395.31 = 506,798.44/x - Step 3: Cross multiply
936,518.29x = 1,292,395.31 × 506,798.44 - Step 4: Simplify right side
936,518.29x = 654,983,926,971.32 - Step 5: Solve for x
x = 654,983,926,971.32/936,518.29 - Step 6: Final answer
x = 699,381.88
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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.