Finding the Fourth Proportional to 715,126.26, 1,073,141.58 and 399,790.02
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Solution
The fourth proportional to 715,126.26, 1,073,141.58 and 399,790.02 is: 599,937.83
Step by Step Solution
- Step 1: Write the proportion equation
715,126.26 : 1,073,141.58 = 399,790.02 : x - Step 2: Convert to fraction form
715,126.26/1,073,141.58 = 399,790.02/x - Step 3: Cross multiply
715,126.26x = 1,073,141.58 × 399,790.02 - Step 4: Simplify right side
715,126.26x = 429,031,293,731.03 - Step 5: Solve for x
x = 429,031,293,731.03/715,126.26 - Step 6: Final answer
x = 599,937.83
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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.