Finding the Fourth Proportional to 972,958.21, 1,458,252.87 and 688,729.30
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Solution
The fourth proportional to 972,958.21, 1,458,252.87 and 688,729.30 is: 1,032,255.52
Step by Step Solution
- Step 1: Write the proportion equation
972,958.21 : 1,458,252.87 = 688,729.30 : x - Step 2: Convert to fraction form
972,958.21/1,458,252.87 = 688,729.30/x - Step 3: Cross multiply
972,958.21x = 1,458,252.87 × 688,729.30 - Step 4: Simplify right side
972,958.21x = 1,004,341,478,378.09 - Step 5: Solve for x
x = 1,004,341,478,378.09/972,958.21 - Step 6: Final answer
x = 1,032,255.52
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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.