Finding the Fourth Proportional to 1,377,018.24, 2,065,471.20 and 478,663.68
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Solution
The fourth proportional to 1,377,018.24, 2,065,471.20 and 478,663.68 is: 717,976.00
Step by Step Solution
- Step 1: Write the proportion equation
1,377,018.24 : 2,065,471.20 = 478,663.68 : x - Step 2: Convert to fraction form
1,377,018.24/2,065,471.20 = 478,663.68/x - Step 3: Cross multiply
1,377,018.24x = 2,065,471.20 × 478,663.68 - Step 4: Simplify right side
1,377,018.24x = 988,666,045,526.02 - Step 5: Solve for x
x = 988,666,045,526.02/1,377,018.24 - Step 6: Final answer
x = 717,976.00
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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.