Finding the Fourth Proportional to 977,297.20, 1,465,552.08 and 408,305.44
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Solution
The fourth proportional to 977,297.20, 1,465,552.08 and 408,305.44 is: 612,293.67
Step by Step Solution
- Step 1: Write the proportion equation
977,297.20 : 1,465,552.08 = 408,305.44 : x - Step 2: Convert to fraction form
977,297.20/1,465,552.08 = 408,305.44/x - Step 3: Cross multiply
977,297.20x = 1,465,552.08 × 408,305.44 - Step 4: Simplify right side
977,297.20x = 598,392,886,867.32 - Step 5: Solve for x
x = 598,392,886,867.32/977,297.20 - Step 6: Final answer
x = 612,293.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.