Finding the Fourth Proportional to 953,745.56, 1,430,396.39 and 354,988.70
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Solution
The fourth proportional to 953,745.56, 1,430,396.39 and 354,988.70 is: 532,400.43
Step by Step Solution
- Step 1: Write the proportion equation
953,745.56 : 1,430,396.39 = 354,988.70 : x - Step 2: Convert to fraction form
953,745.56/1,430,396.39 = 354,988.70/x - Step 3: Cross multiply
953,745.56x = 1,430,396.39 × 354,988.70 - Step 4: Simplify right side
953,745.56x = 507,774,546,043.87 - Step 5: Solve for x
x = 507,774,546,043.87/953,745.56 - Step 6: Final answer
x = 532,400.43
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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.