Finding the Fourth Proportional to 806,723.13, 1,210,094.42 and 245,762.49
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Solution
The fourth proportional to 806,723.13, 1,210,094.42 and 245,762.49 is: 368,646.70
Step by Step Solution
- Step 1: Write the proportion equation
806,723.13 : 1,210,094.42 = 245,762.49 : x - Step 2: Convert to fraction form
806,723.13/1,210,094.42 = 245,762.49/x - Step 3: Cross multiply
806,723.13x = 1,210,094.42 × 245,762.49 - Step 4: Simplify right side
806,723.13x = 297,395,816,565.49 - Step 5: Solve for x
x = 297,395,816,565.49/806,723.13 - Step 6: Final answer
x = 368,646.70
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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.