Finding the Fourth Proportional to 855,950.76, 1,181,211.78 and 473,977.44
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Solution
The fourth proportional to 855,950.76, 1,181,211.78 and 473,977.44 is: 654,088.72
Step by Step Solution
- Step 1: Write the proportion equation
855,950.76 : 1,181,211.78 = 473,977.44 : x - Step 2: Convert to fraction form
855,950.76/1,181,211.78 = 473,977.44/x - Step 3: Cross multiply
855,950.76x = 1,181,211.78 × 473,977.44 - Step 4: Simplify right side
855,950.76x = 559,867,735,582.24 - Step 5: Solve for x
x = 559,867,735,582.24/855,950.76 - Step 6: Final answer
x = 654,088.72
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1.5x scale
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.