Finding the Fourth Proportional to 938,585.40, 1,407,753.21 and 264,720.81
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Solution
The fourth proportional to 938,585.40, 1,407,753.21 and 264,720.81 is: 397,045.99
Step by Step Solution
- Step 1: Write the proportion equation
938,585.40 : 1,407,753.21 = 264,720.81 : x - Step 2: Convert to fraction form
938,585.40/1,407,753.21 = 264,720.81/x - Step 3: Cross multiply
938,585.40x = 1,407,753.21 × 264,720.81 - Step 4: Simplify right side
938,585.40x = 372,661,570,031.30 - Step 5: Solve for x
x = 372,661,570,031.30/938,585.40 - Step 6: Final answer
x = 397,045.99
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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.