Finding the Fourth Proportional to 747,283.54, 1,031,274.04 and 425,040.02
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Solution
The fourth proportional to 747,283.54, 1,031,274.04 and 425,040.02 is: 586,568.17
Step by Step Solution
- Step 1: Write the proportion equation
747,283.54 : 1,031,274.04 = 425,040.02 : x - Step 2: Convert to fraction form
747,283.54/1,031,274.04 = 425,040.02/x - Step 3: Cross multiply
747,283.54x = 1,031,274.04 × 425,040.02 - Step 4: Simplify right side
747,283.54x = 438,332,738,587.08 - Step 5: Solve for x
x = 438,332,738,587.08/747,283.54 - Step 6: Final answer
x = 586,568.17
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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.