Finding the Fourth Proportional to 793,365.36, 1,095,038.64 and 487,515.84
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Solution
The fourth proportional to 793,365.36, 1,095,038.64 and 487,515.84 is: 672,891.34
Step by Step Solution
- Step 1: Write the proportion equation
793,365.36 : 1,095,038.64 = 487,515.84 : x - Step 2: Convert to fraction form
793,365.36/1,095,038.64 = 487,515.84/x - Step 3: Cross multiply
793,365.36x = 1,095,038.64 × 487,515.84 - Step 4: Simplify right side
793,365.36x = 533,848,682,412.06 - Step 5: Solve for x
x = 533,848,682,412.06/793,365.36 - Step 6: Final answer
x = 672,891.34
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1.5x scale
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.