Finding the Fourth Proportional to 776,290.99, 1,071,313.02 and 432,105.09
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Solution
The fourth proportional to 776,290.99, 1,071,313.02 and 432,105.09 is: 596,322.53
Step by Step Solution
- Step 1: Write the proportion equation
776,290.99 : 1,071,313.02 = 432,105.09 : x - Step 2: Convert to fraction form
776,290.99/1,071,313.02 = 432,105.09/x - Step 3: Cross multiply
776,290.99x = 1,071,313.02 × 432,105.09 - Step 4: Simplify right side
776,290.99x = 462,919,808,925.27 - Step 5: Solve for x
x = 462,919,808,925.27/776,290.99 - Step 6: Final answer
x = 596,322.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.