Finding the Fourth Proportional to 761,315.40, 1,141,593.11 and 248,913.79
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Solution
The fourth proportional to 761,315.40, 1,141,593.11 and 248,913.79 is: 373,246.45
Step by Step Solution
- Step 1: Write the proportion equation
761,315.40 : 1,141,593.11 = 248,913.79 : x - Step 2: Convert to fraction form
761,315.40/1,141,593.11 = 248,913.79/x - Step 3: Cross multiply
761,315.40x = 1,141,593.11 × 248,913.79 - Step 4: Simplify right side
761,315.40x = 284,158,267,647.99 - Step 5: Solve for x
x = 284,158,267,647.99/761,315.40 - Step 6: Final answer
x = 373,246.45
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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.