Finding the Fourth Proportional to 855,997.62, 1,181,275.65 and 474,023.94
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Solution
The fourth proportional to 855,997.62, 1,181,275.65 and 474,023.94 is: 654,152.45
Step by Step Solution
- Step 1: Write the proportion equation
855,997.62 : 1,181,275.65 = 474,023.94 : x - Step 2: Convert to fraction form
855,997.62/1,181,275.65 = 474,023.94/x - Step 3: Cross multiply
855,997.62x = 1,181,275.65 × 474,023.94 - Step 4: Simplify right side
855,997.62x = 559,952,937,839.06 - Step 5: Solve for x
x = 559,952,937,839.06/855,997.62 - Step 6: Final answer
x = 654,152.45
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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.