Finding the Fourth Proportional to 757,621.35, 1,135,053.81 and 441,118.71
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Solution
The fourth proportional to 757,621.35, 1,135,053.81 and 441,118.71 is: 660,875.61
Step by Step Solution
- Step 1: Write the proportion equation
757,621.35 : 1,135,053.81 = 441,118.71 : x - Step 2: Convert to fraction form
757,621.35/1,135,053.81 = 441,118.71/x - Step 3: Cross multiply
757,621.35x = 1,135,053.81 × 441,118.71 - Step 4: Simplify right side
757,621.35x = 500,693,472,447.79 - Step 5: Solve for x
x = 500,693,472,447.79/757,621.35 - Step 6: Final answer
x = 660,875.61
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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.