Finding the Fourth Proportional to 977,762.70, 1,463,691.60 and 859,664.70
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Solution
The fourth proportional to 977,762.70, 1,463,691.60 and 859,664.70 is: 1,286,901.21
Step by Step Solution
- Step 1: Write the proportion equation
977,762.70 : 1,463,691.60 = 859,664.70 : x - Step 2: Convert to fraction form
977,762.70/1,463,691.60 = 859,664.70/x - Step 3: Cross multiply
977,762.70x = 1,463,691.60 × 859,664.70 - Step 4: Simplify right side
977,762.70x = 1,258,284,000,206.52 - Step 5: Solve for x
x = 1,258,284,000,206.52/977,762.70 - Step 6: Final answer
x = 1,286,901.21
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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.