Finding the Fourth Proportional to 559,680.12, 772,336.08 and 305,025.84
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Solution
The fourth proportional to 559,680.12, 772,336.08 and 305,025.84 is: 420,923.40
Step by Step Solution
- Step 1: Write the proportion equation
559,680.12 : 772,336.08 = 305,025.84 : x - Step 2: Convert to fraction form
559,680.12/772,336.08 = 305,025.84/x - Step 3: Cross multiply
559,680.12x = 772,336.08 × 305,025.84 - Step 4: Simplify right side
559,680.12x = 235,582,461,564.31 - Step 5: Solve for x
x = 235,582,461,564.31/559,680.12 - Step 6: Final answer
x = 420,923.40
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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.