Finding the Fourth Proportional to 912,051.92, 1,368,101.40 and 432,167.12
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Solution
The fourth proportional to 912,051.92, 1,368,101.40 and 432,167.12 is: 648,261.82
Step by Step Solution
- Step 1: Write the proportion equation
912,051.92 : 1,368,101.40 = 432,167.12 : x - Step 2: Convert to fraction form
912,051.92/1,368,101.40 = 432,167.12/x - Step 3: Cross multiply
912,051.92x = 1,368,101.40 × 432,167.12 - Step 4: Simplify right side
912,051.92x = 591,248,441,905.97 - Step 5: Solve for x
x = 591,248,441,905.97/912,051.92 - Step 6: Final answer
x = 648,261.82
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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.