Finding the Fourth Proportional to 874,197.84, 1,206,073 and 529,785.31
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Solution
The fourth proportional to 874,197.84, 1,206,073 and 529,785.31 is: 730,909.79
Step by Step Solution
- Step 1: Write the proportion equation
874,197.84 : 1,206,073 = 529,785.31 : x - Step 2: Convert to fraction form
874,197.84/1,206,073 = 529,785.31/x - Step 3: Cross multiply
874,197.84x = 1,206,073 × 529,785.31 - Step 4: Simplify right side
874,197.84x = 638,959,758,187.63 - Step 5: Solve for x
x = 638,959,758,187.63/874,197.84 - Step 6: Final answer
x = 730,909.79
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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.