Finding the Fourth Proportional to 713,727.12, 1,070,251.68 and 414,299.54
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Solution
The fourth proportional to 713,727.12, 1,070,251.68 and 414,299.54 is: 621,252.53
Step by Step Solution
- Step 1: Write the proportion equation
713,727.12 : 1,070,251.68 = 414,299.54 : x - Step 2: Convert to fraction form
713,727.12/1,070,251.68 = 414,299.54/x - Step 3: Cross multiply
713,727.12x = 1,070,251.68 × 414,299.54 - Step 4: Simplify right side
713,727.12x = 443,404,778,708.23 - Step 5: Solve for x
x = 443,404,778,708.23/713,727.12 - Step 6: Final answer
x = 621,252.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.