Finding the Fourth Proportional to 902,776.36, 1,354,751.76 and 390,941.44
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Solution
The fourth proportional to 902,776.36, 1,354,751.76 and 390,941.44 is: 586,666.45
Step by Step Solution
- Step 1: Write the proportion equation
902,776.36 : 1,354,751.76 = 390,941.44 : x - Step 2: Convert to fraction form
902,776.36/1,354,751.76 = 390,941.44/x - Step 3: Cross multiply
902,776.36x = 1,354,751.76 × 390,941.44 - Step 4: Simplify right side
902,776.36x = 529,628,603,896.93 - Step 5: Solve for x
x = 529,628,603,896.93/902,776.36 - Step 6: Final answer
x = 586,666.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.