Finding the Fourth Proportional to 539,521.46, 744,539.65 and 297,804.09
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Solution
The fourth proportional to 539,521.46, 744,539.65 and 297,804.09 is: 410,969.67
Step by Step Solution
- Step 1: Write the proportion equation
539,521.46 : 744,539.65 = 297,804.09 : x - Step 2: Convert to fraction form
539,521.46/744,539.65 = 297,804.09/x - Step 3: Cross multiply
539,521.46x = 744,539.65 × 297,804.09 - Step 4: Simplify right side
539,521.46x = 221,726,954,984.68 - Step 5: Solve for x
x = 221,726,954,984.68/539,521.46 - Step 6: Final answer
x = 410,969.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.