Finding the Fourth Proportional to 746,177.68, 1,029,715.34 and 415,031.38
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Solution
The fourth proportional to 746,177.68, 1,029,715.34 and 415,031.38 is: 572,737.82
Step by Step Solution
- Step 1: Write the proportion equation
746,177.68 : 1,029,715.34 = 415,031.38 : x - Step 2: Convert to fraction form
746,177.68/1,029,715.34 = 415,031.38/x - Step 3: Cross multiply
746,177.68x = 1,029,715.34 × 415,031.38 - Step 4: Simplify right side
746,177.68x = 427,364,173,418.79 - Step 5: Solve for x
x = 427,364,173,418.79/746,177.68 - Step 6: Final answer
x = 572,737.82
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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.