Finding the Fourth Proportional to 517,785.99, 714,176.58 and 345,617.14
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Solution
The fourth proportional to 517,785.99, 714,176.58 and 345,617.14 is: 476,705.96
Step by Step Solution
- Step 1: Write the proportion equation
517,785.99 : 714,176.58 = 345,617.14 : x - Step 2: Convert to fraction form
517,785.99/714,176.58 = 345,617.14/x - Step 3: Cross multiply
517,785.99x = 714,176.58 × 345,617.14 - Step 4: Simplify right side
517,785.99x = 246,831,667,034.58 - Step 5: Solve for x
x = 246,831,667,034.58/517,785.99 - Step 6: Final answer
x = 476,705.96
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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.