Finding the Fourth Proportional to 523,930.84, 784,714.68 and 366,860.50
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Solution
The fourth proportional to 523,930.84, 784,714.68 and 366,860.50 is: 549,463.40
Step by Step Solution
- Step 1: Write the proportion equation
523,930.84 : 784,714.68 = 366,860.50 : x - Step 2: Convert to fraction form
523,930.84/784,714.68 = 366,860.50/x - Step 3: Cross multiply
523,930.84x = 784,714.68 × 366,860.50 - Step 4: Simplify right side
523,930.84x = 287,880,819,862.14 - Step 5: Solve for x
x = 287,880,819,862.14/523,930.84 - Step 6: Final answer
x = 549,463.40
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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.