Finding the Fourth Proportional to 740,518.19, 1,109,937.29 and 340,331.84
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Solution
The fourth proportional to 740,518.19, 1,109,937.29 and 340,331.84 is: 510,111.70
Step by Step Solution
- Step 1: Write the proportion equation
740,518.19 : 1,109,937.29 = 340,331.84 : x - Step 2: Convert to fraction form
740,518.19/1,109,937.29 = 340,331.84/x - Step 3: Cross multiply
740,518.19x = 1,109,937.29 × 340,331.84 - Step 4: Simplify right side
740,518.19x = 377,746,992,938.97 - Step 5: Solve for x
x = 377,746,992,938.97/740,518.19 - Step 6: Final answer
x = 510,111.70
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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.