Finding the Fourth Proportional to 516,454.64, 712,701.84 and 301,628.08
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Solution
The fourth proportional to 516,454.64, 712,701.84 and 301,628.08 is: 416,243.50
Step by Step Solution
- Step 1: Write the proportion equation
516,454.64 : 712,701.84 = 301,628.08 : x - Step 2: Convert to fraction form
516,454.64/712,701.84 = 301,628.08/x - Step 3: Cross multiply
516,454.64x = 712,701.84 × 301,628.08 - Step 4: Simplify right side
516,454.64x = 214,970,887,611.67 - Step 5: Solve for x
x = 214,970,887,611.67/516,454.64 - Step 6: Final answer
x = 416,243.50
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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.