Finding the Fourth Proportional to 903,807.28, 1,246,119.21 and 661,669.48
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Solution
The fourth proportional to 903,807.28, 1,246,119.21 and 661,669.48 is: 912,273.07
Step by Step Solution
- Step 1: Write the proportion equation
903,807.28 : 1,246,119.21 = 661,669.48 : x - Step 2: Convert to fraction form
903,807.28/1,246,119.21 = 661,669.48/x - Step 3: Cross multiply
903,807.28x = 1,246,119.21 × 661,669.48 - Step 4: Simplify right side
903,807.28x = 824,519,040,159.77 - Step 5: Solve for x
x = 824,519,040,159.77/903,807.28 - Step 6: Final answer
x = 912,273.07
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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.