Finding the Fourth Proportional to 717,829.48, 990,547.14 and 416,042.92
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Solution
The fourth proportional to 717,829.48, 990,547.14 and 416,042.92 is: 574,105.88
Step by Step Solution
- Step 1: Write the proportion equation
717,829.48 : 990,547.14 = 416,042.92 : x - Step 2: Convert to fraction form
717,829.48/990,547.14 = 416,042.92/x - Step 3: Cross multiply
717,829.48x = 990,547.14 × 416,042.92 - Step 4: Simplify right side
717,829.48x = 412,110,124,523.25 - Step 5: Solve for x
x = 412,110,124,523.25/717,829.48 - Step 6: Final answer
x = 574,105.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.