Finding the Fourth Proportional to 772,434.29, 1,158,725.92 and 239,812.31
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Solution
The fourth proportional to 772,434.29, 1,158,725.92 and 239,812.31 is: 359,741.59
Step by Step Solution
- Step 1: Write the proportion equation
772,434.29 : 1,158,725.92 = 239,812.31 : x - Step 2: Convert to fraction form
772,434.29/1,158,725.92 = 239,812.31/x - Step 3: Cross multiply
772,434.29x = 1,158,725.92 × 239,812.31 - Step 4: Simplify right side
772,434.29x = 277,876,739,532.08 - Step 5: Solve for x
x = 277,876,739,532.08/772,434.29 - Step 6: Final answer
x = 359,741.59
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1.5x scale
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.