Finding the Fourth Proportional to 980,261.61, 1,470,967.94 and 411,598.99
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Solution
The fourth proportional to 980,261.61, 1,470,967.94 and 411,598.99 is: 617,640.14
Step by Step Solution
- Step 1: Write the proportion equation
980,261.61 : 1,470,967.94 = 411,598.99 : x - Step 2: Convert to fraction form
980,261.61/1,470,967.94 = 411,598.99/x - Step 3: Cross multiply
980,261.61x = 1,470,967.94 × 411,598.99 - Step 4: Simplify right side
980,261.61x = 605,448,918,426.38 - Step 5: Solve for x
x = 605,448,918,426.38/980,261.61 - Step 6: Final answer
x = 617,640.14
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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.