Finding the Fourth Proportional to 772,262.08, 1,065,722.08 and 470,456.08
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Solution
The fourth proportional to 772,262.08, 1,065,722.08 and 470,456.08 is: 649,229.64
Step by Step Solution
- Step 1: Write the proportion equation
772,262.08 : 1,065,722.08 = 470,456.08 : x - Step 2: Convert to fraction form
772,262.08/1,065,722.08 = 470,456.08/x - Step 3: Cross multiply
772,262.08x = 1,065,722.08 × 470,456.08 - Step 4: Simplify right side
772,262.08x = 501,375,432,126.25 - Step 5: Solve for x
x = 501,375,432,126.25/772,262.08 - Step 6: Final answer
x = 649,229.64
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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.