Finding the Fourth Proportional to 783,246.24, 1,174,502.88 and 459,133.20
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Solution
The fourth proportional to 783,246.24, 1,174,502.88 and 459,133.20 is: 688,484.97
Step by Step Solution
- Step 1: Write the proportion equation
783,246.24 : 1,174,502.88 = 459,133.20 : x - Step 2: Convert to fraction form
783,246.24/1,174,502.88 = 459,133.20/x - Step 3: Cross multiply
783,246.24x = 1,174,502.88 × 459,133.20 - Step 4: Simplify right side
783,246.24x = 539,253,265,703.62 - Step 5: Solve for x
x = 539,253,265,703.62/783,246.24 - Step 6: Final answer
x = 688,484.97
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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.