Finding the Fourth Proportional to 948,330.48, 1,420,468.80 and 767,635.68
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Solution
The fourth proportional to 948,330.48, 1,420,468.80 and 767,635.68 is: 1,149,812.81
Step by Step Solution
- Step 1: Write the proportion equation
948,330.48 : 1,420,468.80 = 767,635.68 : x - Step 2: Convert to fraction form
948,330.48/1,420,468.80 = 767,635.68/x - Step 3: Cross multiply
948,330.48x = 1,420,468.80 × 767,635.68 - Step 4: Simplify right side
948,330.48x = 1,090,402,533,206.78 - Step 5: Solve for x
x = 1,090,402,533,206.78/948,330.48 - Step 6: Final answer
x = 1,149,812.81
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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.