Finding the Fourth Proportional to 750,816.19, 1,035,296.11 and 478,452.68
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Solution
The fourth proportional to 750,816.19, 1,035,296.11 and 478,452.68 is: 659,735.64
Step by Step Solution
- Step 1: Write the proportion equation
750,816.19 : 1,035,296.11 = 478,452.68 : x - Step 2: Convert to fraction form
750,816.19/1,035,296.11 = 478,452.68/x - Step 3: Cross multiply
750,816.19x = 1,035,296.11 × 478,452.68 - Step 4: Simplify right side
750,816.19x = 495,340,197,727.02 - Step 5: Solve for x
x = 495,340,197,727.02/750,816.19 - Step 6: Final answer
x = 659,735.64
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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.