Finding the Fourth Proportional to 636,492.63, 878,366.12 and 350,014.71
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Solution
The fourth proportional to 636,492.63, 878,366.12 and 350,014.71 is: 483,023.76
Step by Step Solution
- Step 1: Write the proportion equation
636,492.63 : 878,366.12 = 350,014.71 : x - Step 2: Convert to fraction form
636,492.63/878,366.12 = 350,014.71/x - Step 3: Cross multiply
636,492.63x = 878,366.12 × 350,014.71 - Step 4: Simplify right side
636,492.63x = 307,441,061,015.55 - Step 5: Solve for x
x = 307,441,061,015.55/636,492.63 - Step 6: Final answer
x = 483,023.76
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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.