Finding the Fourth Proportional to 864,642.42, 1,193,226.66 and 542,366.10
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Solution
The fourth proportional to 864,642.42, 1,193,226.66 and 542,366.10 is: 748,477.84
Step by Step Solution
- Step 1: Write the proportion equation
864,642.42 : 1,193,226.66 = 542,366.10 : x - Step 2: Convert to fraction form
864,642.42/1,193,226.66 = 542,366.10/x - Step 3: Cross multiply
864,642.42x = 1,193,226.66 × 542,366.10 - Step 4: Simplify right side
864,642.42x = 647,165,690,000.23 - Step 5: Solve for x
x = 647,165,690,000.23/864,642.42 - Step 6: Final answer
x = 748,477.84
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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.