Finding the Fourth Proportional to 610,829.68, 842,916.50 and 338,894.68
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Solution
The fourth proportional to 610,829.68, 842,916.50 and 338,894.68 is: 467,658.87
Step by Step Solution
- Step 1: Write the proportion equation
610,829.68 : 842,916.50 = 338,894.68 : x - Step 2: Convert to fraction form
610,829.68/842,916.50 = 338,894.68/x - Step 3: Cross multiply
610,829.68x = 842,916.50 × 338,894.68 - Step 4: Simplify right side
610,829.68x = 285,659,917,534.22 - Step 5: Solve for x
x = 285,659,917,534.22/610,829.68 - Step 6: Final answer
x = 467,658.87
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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.