Finding the Fourth Proportional to 715,778.74, 1,072,880.76 and 294,824.98
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Solution
The fourth proportional to 715,778.74, 1,072,880.76 and 294,824.98 is: 441,913.17
Step by Step Solution
- Step 1: Write the proportion equation
715,778.74 : 1,072,880.76 = 294,824.98 : x - Step 2: Convert to fraction form
715,778.74/1,072,880.76 = 294,824.98/x - Step 3: Cross multiply
715,778.74x = 1,072,880.76 × 294,824.98 - Step 4: Simplify right side
715,778.74x = 316,312,048,609.39 - Step 5: Solve for x
x = 316,312,048,609.39/715,778.74 - Step 6: Final answer
x = 441,913.17
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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.