Finding the Fourth Proportional to 966,768.18, 1,334,177.92 and 661,484.86
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Solution
The fourth proportional to 966,768.18, 1,334,177.92 and 661,484.86 is: 912,874.99
Step by Step Solution
- Step 1: Write the proportion equation
966,768.18 : 1,334,177.92 = 661,484.86 : x - Step 2: Convert to fraction form
966,768.18/1,334,177.92 = 661,484.86/x - Step 3: Cross multiply
966,768.18x = 1,334,177.92 × 661,484.86 - Step 4: Simplify right side
966,768.18x = 882,538,494,626.29 - Step 5: Solve for x
x = 882,538,494,626.29/966,768.18 - Step 6: Final answer
x = 912,874.99
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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.