Finding the Fourth Proportional to 647,754.84, 893,903.04 and 361,267.56
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Solution
The fourth proportional to 647,754.84, 893,903.04 and 361,267.56 is: 498,549.99
Step by Step Solution
- Step 1: Write the proportion equation
647,754.84 : 893,903.04 = 361,267.56 : x - Step 2: Convert to fraction form
647,754.84/893,903.04 = 361,267.56/x - Step 3: Cross multiply
647,754.84x = 893,903.04 × 361,267.56 - Step 4: Simplify right side
647,754.84x = 322,938,170,137.38 - Step 5: Solve for x
x = 322,938,170,137.38/647,754.84 - Step 6: Final answer
x = 498,549.99
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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.