Finding the Fourth Proportional to 1,022,862.87, 1,534,239.09 and 312,890.99
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Solution
The fourth proportional to 1,022,862.87, 1,534,239.09 and 312,890.99 is: 469,319.59
Step by Step Solution
- Step 1: Write the proportion equation
1,022,862.87 : 1,534,239.09 = 312,890.99 : x - Step 2: Convert to fraction form
1,022,862.87/1,534,239.09 = 312,890.99/x - Step 3: Cross multiply
1,022,862.87x = 1,534,239.09 × 312,890.99 - Step 4: Simplify right side
1,022,862.87x = 480,049,580,095.60 - Step 5: Solve for x
x = 480,049,580,095.60/1,022,862.87 - Step 6: Final answer
x = 469,319.59
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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.