Finding the Fourth Proportional to 687,026.15, 1,030,040.99 and 461,828.02
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Solution
The fourth proportional to 687,026.15, 1,030,040.99 and 461,828.02 is: 692,407.11
Step by Step Solution
- Step 1: Write the proportion equation
687,026.15 : 1,030,040.99 = 461,828.02 : x - Step 2: Convert to fraction form
687,026.15/1,030,040.99 = 461,828.02/x - Step 3: Cross multiply
687,026.15x = 1,030,040.99 × 461,828.02 - Step 4: Simplify right side
687,026.15x = 475,701,790,930.54 - Step 5: Solve for x
x = 475,701,790,930.54/687,026.15 - Step 6: Final answer
x = 692,407.11
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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.