Finding the Fourth Proportional to 756,656.70, 1,134,689.94 and 330,322.92
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Solution
The fourth proportional to 756,656.70, 1,134,689.94 and 330,322.92 is: 495,355.55
Step by Step Solution
- Step 1: Write the proportion equation
756,656.70 : 1,134,689.94 = 330,322.92 : x - Step 2: Convert to fraction form
756,656.70/1,134,689.94 = 330,322.92/x - Step 3: Cross multiply
756,656.70x = 1,134,689.94 × 330,322.92 - Step 4: Simplify right side
756,656.70x = 374,814,094,275.43 - Step 5: Solve for x
x = 374,814,094,275.43/756,656.70 - Step 6: Final answer
x = 495,355.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.