Finding the Fourth Proportional to 544,387.10, 816,746.64 and 278,334.44
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Solution
The fourth proportional to 544,387.10, 816,746.64 and 278,334.44 is: 417,586.53
Step by Step Solution
- Step 1: Write the proportion equation
544,387.10 : 816,746.64 = 278,334.44 : x - Step 2: Convert to fraction form
544,387.10/816,746.64 = 278,334.44/x - Step 3: Cross multiply
544,387.10x = 816,746.64 × 278,334.44 - Step 4: Simplify right side
544,387.10x = 227,328,718,666.28 - Step 5: Solve for x
x = 227,328,718,666.28/544,387.10 - Step 6: Final answer
x = 417,586.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.