Finding the Fourth Proportional to 953,218.19, 1,430,024.15 and 279,321.48
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Solution
The fourth proportional to 953,218.19, 1,430,024.15 and 279,321.48 is: 419,039.91
Step by Step Solution
- Step 1: Write the proportion equation
953,218.19 : 1,430,024.15 = 279,321.48 : x - Step 2: Convert to fraction form
953,218.19/1,430,024.15 = 279,321.48/x - Step 3: Cross multiply
953,218.19x = 1,430,024.15 × 279,321.48 - Step 4: Simplify right side
953,218.19x = 399,436,462,712.05 - Step 5: Solve for x
x = 399,436,462,712.05/953,218.19 - Step 6: Final answer
x = 419,039.91
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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.