Finding the Fourth Proportional to 690,971.36, 1,036,457.04 and 395,276
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Solution
The fourth proportional to 690,971.36, 1,036,457.04 and 395,276 is: 592,914.00
Step by Step Solution
- Step 1: Write the proportion equation
690,971.36 : 1,036,457.04 = 395,276 : x - Step 2: Convert to fraction form
690,971.36/1,036,457.04 = 395,276/x - Step 3: Cross multiply
690,971.36x = 1,036,457.04 × 395,276 - Step 4: Simplify right side
690,971.36x = 409,686,592,943.04 - Step 5: Solve for x
x = 409,686,592,943.04/690,971.36 - Step 6: Final answer
x = 592,914.00
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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.