Finding the Fourth Proportional to 868,030.56, 1,302,036.12 and 306,933.84
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Solution
The fourth proportional to 868,030.56, 1,302,036.12 and 306,933.84 is: 460,397.32
Step by Step Solution
- Step 1: Write the proportion equation
868,030.56 : 1,302,036.12 = 306,933.84 : x - Step 2: Convert to fraction form
868,030.56/1,302,036.12 = 306,933.84/x - Step 3: Cross multiply
868,030.56x = 1,302,036.12 × 306,933.84 - Step 4: Simplify right side
868,030.56x = 399,638,946,130.30 - Step 5: Solve for x
x = 399,638,946,130.30/868,030.56 - Step 6: Final answer
x = 460,397.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.