Finding the Fourth Proportional to 969,492.84, 1,454,903.58 and 338,406.60
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Solution
The fourth proportional to 969,492.84, 1,454,903.58 and 338,406.60 is: 507,841.78
Step by Step Solution
- Step 1: Write the proportion equation
969,492.84 : 1,454,903.58 = 338,406.60 : x - Step 2: Convert to fraction form
969,492.84/1,454,903.58 = 338,406.60/x - Step 3: Cross multiply
969,492.84x = 1,454,903.58 × 338,406.60 - Step 4: Simplify right side
969,492.84x = 492,348,973,835.63 - Step 5: Solve for x
x = 492,348,973,835.63/969,492.84 - Step 6: Final answer
x = 507,841.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.