Finding the Fourth Proportional to 663,762.24, 915,995.52 and 361,949.76
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Solution
The fourth proportional to 663,762.24, 915,995.52 and 361,949.76 is: 499,492.65
Step by Step Solution
- Step 1: Write the proportion equation
663,762.24 : 915,995.52 = 361,949.76 : x - Step 2: Convert to fraction form
663,762.24/915,995.52 = 361,949.76/x - Step 3: Cross multiply
663,762.24x = 915,995.52 × 361,949.76 - Step 4: Simplify right side
663,762.24x = 331,544,358,625.08 - Step 5: Solve for x
x = 331,544,358,625.08/663,762.24 - Step 6: Final answer
x = 499,492.65
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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.