Finding the Fourth Proportional to 757,158.53, 1,134,615.81 and 307,332.05
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Solution
The fourth proportional to 757,158.53, 1,134,615.81 and 307,332.05 is: 460,542.66
Step by Step Solution
- Step 1: Write the proportion equation
757,158.53 : 1,134,615.81 = 307,332.05 : x - Step 2: Convert to fraction form
757,158.53/1,134,615.81 = 307,332.05/x - Step 3: Cross multiply
757,158.53x = 1,134,615.81 × 307,332.05 - Step 4: Simplify right side
757,158.53x = 348,703,802,849.71 - Step 5: Solve for x
x = 348,703,802,849.71/757,158.53 - Step 6: Final answer
x = 460,542.66
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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.