Finding the Fourth Proportional to 842,823.74, 1,264,045.98 and 243,651.44
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Solution
The fourth proportional to 842,823.74, 1,264,045.98 and 243,651.44 is: 365,422.34
Step by Step Solution
- Step 1: Write the proportion equation
842,823.74 : 1,264,045.98 = 243,651.44 : x - Step 2: Convert to fraction form
842,823.74/1,264,045.98 = 243,651.44/x - Step 3: Cross multiply
842,823.74x = 1,264,045.98 × 243,651.44 - Step 4: Simplify right side
842,823.74x = 307,986,623,253.21 - Step 5: Solve for x
x = 307,986,623,253.21/842,823.74 - Step 6: Final answer
x = 365,422.34
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1.5x scale
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.