Finding the Fourth Proportional to 743,762.09, 1,114,988.82 and 294,798.10
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Solution
The fourth proportional to 743,762.09, 1,114,988.82 and 294,798.10 is: 441,937.80
Step by Step Solution
- Step 1: Write the proportion equation
743,762.09 : 1,114,988.82 = 294,798.10 : x - Step 2: Convert to fraction form
743,762.09/1,114,988.82 = 294,798.10/x - Step 3: Cross multiply
743,762.09x = 1,114,988.82 × 294,798.10 - Step 4: Simplify right side
743,762.09x = 328,696,583,854.88 - Step 5: Solve for x
x = 328,696,583,854.88/743,762.09 - Step 6: Final answer
x = 441,937.80
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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.