Finding the Fourth Proportional to 852,818.84, 1,278,994.74 and 320,298.68
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Solution
The fourth proportional to 852,818.84, 1,278,994.74 and 320,298.68 is: 480,360.32
Step by Step Solution
- Step 1: Write the proportion equation
852,818.84 : 1,278,994.74 = 320,298.68 : x - Step 2: Convert to fraction form
852,818.84/1,278,994.74 = 320,298.68/x - Step 3: Cross multiply
852,818.84x = 1,278,994.74 × 320,298.68 - Step 4: Simplify right side
852,818.84x = 409,660,326,948.94 - Step 5: Solve for x
x = 409,660,326,948.94/852,818.84 - Step 6: Final answer
x = 480,360.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.