Finding the Fourth Proportional to 763,291.54, 1,150,423.75 and 657,946.99
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Solution
The fourth proportional to 763,291.54, 1,150,423.75 and 657,946.99 is: 991,649.72
Step by Step Solution
- Step 1: Write the proportion equation
763,291.54 : 1,150,423.75 = 657,946.99 : x - Step 2: Convert to fraction form
763,291.54/1,150,423.75 = 657,946.99/x - Step 3: Cross multiply
763,291.54x = 1,150,423.75 × 657,946.99 - Step 4: Simplify right side
763,291.54x = 756,917,843,537.01 - Step 5: Solve for x
x = 756,917,843,537.01/763,291.54 - Step 6: Final answer
x = 991,649.72
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.