Finding the Fourth Proportional to 777,881.08, 1,166,551.74 and 272,430.91
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Solution
The fourth proportional to 777,881.08, 1,166,551.74 and 272,430.91 is: 408,551.85
Step by Step Solution
- Step 1: Write the proportion equation
777,881.08 : 1,166,551.74 = 272,430.91 : x - Step 2: Convert to fraction form
777,881.08/1,166,551.74 = 272,430.91/x - Step 3: Cross multiply
777,881.08x = 1,166,551.74 × 272,430.91 - Step 4: Simplify right side
777,881.08x = 317,804,752,090.28 - Step 5: Solve for x
x = 317,804,752,090.28/777,881.08 - Step 6: Final answer
x = 408,551.85
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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.