Finding the Fourth Proportional to 896,409.99, 1,237,009.77 and 488,503.17
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Solution
The fourth proportional to 896,409.99, 1,237,009.77 and 488,503.17 is: 674,114.75
Step by Step Solution
- Step 1: Write the proportion equation
896,409.99 : 1,237,009.77 = 488,503.17 : x - Step 2: Convert to fraction form
896,409.99/1,237,009.77 = 488,503.17/x - Step 3: Cross multiply
896,409.99x = 1,237,009.77 × 488,503.17 - Step 4: Simplify right side
896,409.99x = 604,283,193,965.97 - Step 5: Solve for x
x = 604,283,193,965.97/896,409.99 - Step 6: Final answer
x = 674,114.75
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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.