Finding the Fourth Proportional to 708,474.36, 977,675.15 and 386,190.75
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Solution
The fourth proportional to 708,474.36, 977,675.15 and 386,190.75 is: 532,932.62
Step by Step Solution
- Step 1: Write the proportion equation
708,474.36 : 977,675.15 = 386,190.75 : x - Step 2: Convert to fraction form
708,474.36/977,675.15 = 386,190.75/x - Step 3: Cross multiply
708,474.36x = 977,675.15 × 386,190.75 - Step 4: Simplify right side
708,474.36x = 377,569,097,503.91 - Step 5: Solve for x
x = 377,569,097,503.91/708,474.36 - Step 6: Final answer
x = 532,932.62
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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.