Finding the Fourth Proportional to 717,992.85, 990,998.97 and 446,265.96
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Solution
The fourth proportional to 717,992.85, 990,998.97 and 446,265.96 is: 615,951.96
Step by Step Solution
- Step 1: Write the proportion equation
717,992.85 : 990,998.97 = 446,265.96 : x - Step 2: Convert to fraction form
717,992.85/990,998.97 = 446,265.96/x - Step 3: Cross multiply
717,992.85x = 990,998.97 × 446,265.96 - Step 4: Simplify right side
717,992.85x = 442,249,106,706.06 - Step 5: Solve for x
x = 442,249,106,706.06/717,992.85 - Step 6: Final answer
x = 615,951.96
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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.