Finding the Fourth Proportional to 648,354.41, 894,692.69 and 361,892.95
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Solution
The fourth proportional to 648,354.41, 894,692.69 and 361,892.95 is: 499,391.95
Step by Step Solution
- Step 1: Write the proportion equation
648,354.41 : 894,692.69 = 361,892.95 : x - Step 2: Convert to fraction form
648,354.41/894,692.69 = 361,892.95/x - Step 3: Cross multiply
648,354.41x = 894,692.69 × 361,892.95 - Step 4: Simplify right side
648,354.41x = 323,782,974,238.44 - Step 5: Solve for x
x = 323,782,974,238.44/648,354.41 - Step 6: Final answer
x = 499,391.95
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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.