Finding the Fourth Proportional to 936,226.06, 1,291,988.62 and 506,506.30
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Solution
The fourth proportional to 936,226.06, 1,291,988.62 and 506,506.30 is: 698,976.89
Step by Step Solution
- Step 1: Write the proportion equation
936,226.06 : 1,291,988.62 = 506,506.30 : x - Step 2: Convert to fraction form
936,226.06/1,291,988.62 = 506,506.30/x - Step 3: Cross multiply
936,226.06x = 1,291,988.62 × 506,506.30 - Step 4: Simplify right side
936,226.06x = 654,400,375,558.31 - Step 5: Solve for x
x = 654,400,375,558.31/936,226.06 - Step 6: Final answer
x = 698,976.89
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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.