Finding the Fourth Proportional to 647,764.84, 893,916.84 and 361,277.56
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Solution
The fourth proportional to 647,764.84, 893,916.84 and 361,277.56 is: 498,563.79
Step by Step Solution
- Step 1: Write the proportion equation
647,764.84 : 893,916.84 = 361,277.56 : x - Step 2: Convert to fraction form
647,764.84/893,916.84 = 361,277.56/x - Step 3: Cross multiply
647,764.84x = 893,916.84 × 361,277.56 - Step 4: Simplify right side
647,764.84x = 322,952,094,798.11 - Step 5: Solve for x
x = 322,952,094,798.11/647,764.84 - Step 6: Final answer
x = 498,563.79
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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.