Finding the Fourth Proportional to 747,684.07, 1,031,665.98 and 425,375.35
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Solution
The fourth proportional to 747,684.07, 1,031,665.98 and 425,375.35 is: 586,939.45
Step by Step Solution
- Step 1: Write the proportion equation
747,684.07 : 1,031,665.98 = 425,375.35 : x - Step 2: Convert to fraction form
747,684.07/1,031,665.98 = 425,375.35/x - Step 3: Cross multiply
747,684.07x = 1,031,665.98 × 425,375.35 - Step 4: Simplify right side
747,684.07x = 438,845,277,325.59 - Step 5: Solve for x
x = 438,845,277,325.59/747,684.07 - Step 6: Final answer
x = 586,939.45
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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.