Finding the Fourth Proportional to 693,636.08, 1,038,772.35 and 479,804.04
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Solution
The fourth proportional to 693,636.08, 1,038,772.35 and 479,804.04 is: 718,542.75
Step by Step Solution
- Step 1: Write the proportion equation
693,636.08 : 1,038,772.35 = 479,804.04 : x - Step 2: Convert to fraction form
693,636.08/1,038,772.35 = 479,804.04/x - Step 3: Cross multiply
693,636.08x = 1,038,772.35 × 479,804.04 - Step 4: Simplify right side
693,636.08x = 498,407,170,170.29 - Step 5: Solve for x
x = 498,407,170,170.29/693,636.08 - Step 6: Final answer
x = 718,542.75
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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.