Finding the Fourth Proportional to 1,043,238.68, 1,439,675.34 and 613,536.92
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Solution
The fourth proportional to 1,043,238.68, 1,439,675.34 and 613,536.92 is: 846,684.46
Step by Step Solution
- Step 1: Write the proportion equation
1,043,238.68 : 1,439,675.34 = 613,536.92 : x - Step 2: Convert to fraction form
1,043,238.68/1,439,675.34 = 613,536.92/x - Step 3: Cross multiply
1,043,238.68x = 1,439,675.34 × 613,536.92 - Step 4: Simplify right side
1,043,238.68x = 883,293,973,903.55 - Step 5: Solve for x
x = 883,293,973,903.55/1,043,238.68 - Step 6: Final answer
x = 846,684.46
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1.5x scale
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.