Finding the Fourth Proportional to 745,938.99, 1,118,900.25 and 446,503.05
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Solution
The fourth proportional to 745,938.99, 1,118,900.25 and 446,503.05 is: 669,749.65
Step by Step Solution
- Step 1: Write the proportion equation
745,938.99 : 1,118,900.25 = 446,503.05 : x - Step 2: Convert to fraction form
745,938.99/1,118,900.25 = 446,503.05/x - Step 3: Cross multiply
745,938.99x = 1,118,900.25 × 446,503.05 - Step 4: Simplify right side
745,938.99x = 499,592,374,270.76 - Step 5: Solve for x
x = 499,592,374,270.76/745,938.99 - Step 6: Final answer
x = 669,749.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.