Finding the Fourth Proportional to 1,070,793.60, 1,604,969.28 and 509,032.32
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Solution
The fourth proportional to 1,070,793.60, 1,604,969.28 and 509,032.32 is: 762,967.99
Step by Step Solution
- Step 1: Write the proportion equation
1,070,793.60 : 1,604,969.28 = 509,032.32 : x - Step 2: Convert to fraction form
1,070,793.60/1,604,969.28 = 509,032.32/x - Step 3: Cross multiply
1,070,793.60x = 1,604,969.28 × 509,032.32 - Step 4: Simplify right side
1,070,793.60x = 816,981,236,127.13 - Step 5: Solve for x
x = 816,981,236,127.13/1,070,793.60 - Step 6: Final answer
x = 762,967.99
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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.