Finding the Fourth Proportional to 747,862.44, 1,121,342.58 and 348,592.77
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Solution
The fourth proportional to 747,862.44, 1,121,342.58 and 348,592.77 is: 522,678.90
Step by Step Solution
- Step 1: Write the proportion equation
747,862.44 : 1,121,342.58 = 348,592.77 : x - Step 2: Convert to fraction form
747,862.44/1,121,342.58 = 348,592.77/x - Step 3: Cross multiply
747,862.44x = 1,121,342.58 × 348,592.77 - Step 4: Simplify right side
747,862.44x = 390,891,916,081.15 - Step 5: Solve for x
x = 390,891,916,081.15/747,862.44 - Step 6: Final answer
x = 522,678.90
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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.