Finding the Fourth Proportional to 708,271.14, 977,414.36 and 385,981.32
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Solution
The fourth proportional to 708,271.14, 977,414.36 and 385,981.32 is: 532,654.32
Step by Step Solution
- Step 1: Write the proportion equation
708,271.14 : 977,414.36 = 385,981.32 : x - Step 2: Convert to fraction form
708,271.14/977,414.36 = 385,981.32/x - Step 3: Cross multiply
708,271.14x = 977,414.36 × 385,981.32 - Step 4: Simplify right side
708,271.14x = 377,263,684,859.76 - Step 5: Solve for x
x = 377,263,684,859.76/708,271.14 - Step 6: Final answer
x = 532,654.32
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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.