Finding the Fourth Proportional to 808,817.40, 1,213,226.10 and 798,319.80
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Solution
The fourth proportional to 808,817.40, 1,213,226.10 and 798,319.80 is: 1,197,479.70
Step by Step Solution
- Step 1: Write the proportion equation
808,817.40 : 1,213,226.10 = 798,319.80 : x - Step 2: Convert to fraction form
808,817.40/1,213,226.10 = 798,319.80/x - Step 3: Cross multiply
808,817.40x = 1,213,226.10 × 798,319.80 - Step 4: Simplify right side
808,817.40x = 968,542,417,506.78 - Step 5: Solve for x
x = 968,542,417,506.78/808,817.40 - Step 6: Final answer
x = 1,197,479.70
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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.