Finding the Fourth Proportional to 987,159.42, 1,480,829.50 and 277,182.68
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Solution
The fourth proportional to 987,159.42, 1,480,829.50 and 277,182.68 is: 415,799.39
Step by Step Solution
- Step 1: Write the proportion equation
987,159.42 : 1,480,829.50 = 277,182.68 : x - Step 2: Convert to fraction form
987,159.42/1,480,829.50 = 277,182.68/x - Step 3: Cross multiply
987,159.42x = 1,480,829.50 × 277,182.68 - Step 4: Simplify right side
987,159.42x = 410,460,289,433.06 - Step 5: Solve for x
x = 410,460,289,433.06/987,159.42 - Step 6: Final answer
x = 415,799.39
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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.