Finding the Fourth Proportional to 855,931.58, 1,181,183.78 and 493,352.99
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Solution
The fourth proportional to 855,931.58, 1,181,183.78 and 493,352.99 is: 680,826.09
Step by Step Solution
- Step 1: Write the proportion equation
855,931.58 : 1,181,183.78 = 493,352.99 : x - Step 2: Convert to fraction form
855,931.58/1,181,183.78 = 493,352.99/x - Step 3: Cross multiply
855,931.58x = 1,181,183.78 × 493,352.99 - Step 4: Simplify right side
855,931.58x = 582,740,547,135.74 - Step 5: Solve for x
x = 582,740,547,135.74/855,931.58 - Step 6: Final answer
x = 680,826.09
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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.