Finding the Fourth Proportional to 745,560.72, 1,028,916.84 and 561,469.68
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Solution
The fourth proportional to 745,560.72, 1,028,916.84 and 561,469.68 is: 774,860.58
Step by Step Solution
- Step 1: Write the proportion equation
745,560.72 : 1,028,916.84 = 561,469.68 : x - Step 2: Convert to fraction form
745,560.72/1,028,916.84 = 561,469.68/x - Step 3: Cross multiply
745,560.72x = 1,028,916.84 × 561,469.68 - Step 4: Simplify right side
745,560.72x = 577,705,608,901.41 - Step 5: Solve for x
x = 577,705,608,901.41/745,560.72 - Step 6: Final answer
x = 774,860.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.