Finding the Fourth Proportional to 818,854.80, 1,130,102.73 and 456,337.68
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Solution
The fourth proportional to 818,854.80, 1,130,102.73 and 456,337.68 is: 629,792.31
Step by Step Solution
- Step 1: Write the proportion equation
818,854.80 : 1,130,102.73 = 456,337.68 : x - Step 2: Convert to fraction form
818,854.80/1,130,102.73 = 456,337.68/x - Step 3: Cross multiply
818,854.80x = 1,130,102.73 × 456,337.68 - Step 4: Simplify right side
818,854.80x = 515,708,457,969.87 - Step 5: Solve for x
x = 515,708,457,969.87/818,854.80 - Step 6: Final answer
x = 629,792.31
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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.