Finding the Fourth Proportional to 771,750.36, 1,157,669.28 and 239,347.08
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Solution
The fourth proportional to 771,750.36, 1,157,669.28 and 239,347.08 is: 359,034.19
Step by Step Solution
- Step 1: Write the proportion equation
771,750.36 : 1,157,669.28 = 239,347.08 : x - Step 2: Convert to fraction form
771,750.36/1,157,669.28 = 239,347.08/x - Step 3: Cross multiply
771,750.36x = 1,157,669.28 × 239,347.08 - Step 4: Simplify right side
771,750.36x = 277,084,761,773.70 - Step 5: Solve for x
x = 277,084,761,773.70/771,750.36 - Step 6: Final answer
x = 359,034.19
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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.