Finding the Fourth Proportional to 943,408.20, 1,413,038.70 and 922,672.20
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Solution
The fourth proportional to 943,408.20, 1,413,038.70 and 922,672.20 is: 1,381,980.28
Step by Step Solution
- Step 1: Write the proportion equation
943,408.20 : 1,413,038.70 = 922,672.20 : x - Step 2: Convert to fraction form
943,408.20/1,413,038.70 = 922,672.20/x - Step 3: Cross multiply
943,408.20x = 1,413,038.70 × 922,672.20 - Step 4: Simplify right side
943,408.20x = 1,303,771,526,014.14 - Step 5: Solve for x
x = 1,303,771,526,014.14/943,408.20 - Step 6: Final answer
x = 1,381,980.28
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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.