Finding the Fourth Proportional to 855,211.62, 1,180,216.53 and 473,273.94
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Solution
The fourth proportional to 855,211.62, 1,180,216.53 and 473,273.94 is: 653,131.59
Step by Step Solution
- Step 1: Write the proportion equation
855,211.62 : 1,180,216.53 = 473,273.94 : x - Step 2: Convert to fraction form
855,211.62/1,180,216.53 = 473,273.94/x - Step 3: Cross multiply
855,211.62x = 1,180,216.53 × 473,273.94 - Step 4: Simplify right side
855,211.62x = 558,565,727,206.23 - Step 5: Solve for x
x = 558,565,727,206.23/855,211.62 - Step 6: Final answer
x = 653,131.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.