Finding the Fourth Proportional to 819,552.24, 1,228,627.18 and 314,475.68
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Solution
The fourth proportional to 819,552.24, 1,228,627.18 and 314,475.68 is: 471,444.46
Step by Step Solution
- Step 1: Write the proportion equation
819,552.24 : 1,228,627.18 = 314,475.68 : x - Step 2: Convert to fraction form
819,552.24/1,228,627.18 = 314,475.68/x - Step 3: Cross multiply
819,552.24x = 1,228,627.18 × 314,475.68 - Step 4: Simplify right side
819,552.24x = 386,373,360,181.47 - Step 5: Solve for x
x = 386,373,360,181.47/819,552.24 - Step 6: Final answer
x = 471,444.46
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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.