Finding the Fourth Proportional to 818,177.64, 1,128,119.04 and 560,179.68
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Solution
The fourth proportional to 818,177.64, 1,128,119.04 and 560,179.68 is: 772,386.50
Step by Step Solution
- Step 1: Write the proportion equation
818,177.64 : 1,128,119.04 = 560,179.68 : x - Step 2: Convert to fraction form
818,177.64/1,128,119.04 = 560,179.68/x - Step 3: Cross multiply
818,177.64x = 1,128,119.04 × 560,179.68 - Step 4: Simplify right side
818,177.64x = 631,949,362,829.11 - Step 5: Solve for x
x = 631,949,362,829.11/818,177.64 - Step 6: Final answer
x = 772,386.50
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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.