Finding the Fourth Proportional to 916,451.55, 1,264,732.14 and 529,259.97
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Solution
The fourth proportional to 916,451.55, 1,264,732.14 and 529,259.97 is: 730,395.50
Step by Step Solution
- Step 1: Write the proportion equation
916,451.55 : 1,264,732.14 = 529,259.97 : x - Step 2: Convert to fraction form
916,451.55/1,264,732.14 = 529,259.97/x - Step 3: Cross multiply
916,451.55x = 1,264,732.14 × 529,259.97 - Step 4: Simplify right side
916,451.55x = 669,372,088,150.78 - Step 5: Solve for x
x = 669,372,088,150.78/916,451.55 - Step 6: Final answer
x = 730,395.50
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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.