Finding the Fourth Proportional to 708,170.70, 977,245.02 and 402,246.14
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Solution
The fourth proportional to 708,170.70, 977,245.02 and 402,246.14 is: 555,082.32
Step by Step Solution
- Step 1: Write the proportion equation
708,170.70 : 977,245.02 = 402,246.14 : x - Step 2: Convert to fraction form
708,170.70/977,245.02 = 402,246.14/x - Step 3: Cross multiply
708,170.70x = 977,245.02 × 402,246.14 - Step 4: Simplify right side
708,170.70x = 393,093,037,129.22 - Step 5: Solve for x
x = 393,093,037,129.22/708,170.70 - Step 6: Final answer
x = 555,082.32
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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.