Finding the Fourth Proportional to 747,433.44, 1,031,425.92 and 425,098.08
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Solution
The fourth proportional to 747,433.44, 1,031,425.92 and 425,098.08 is: 586,617.02
Step by Step Solution
- Step 1: Write the proportion equation
747,433.44 : 1,031,425.92 = 425,098.08 : x - Step 2: Convert to fraction form
747,433.44/1,031,425.92 = 425,098.08/x - Step 3: Cross multiply
747,433.44x = 1,031,425.92 × 425,098.08 - Step 4: Simplify right side
747,433.44x = 438,457,178,254.23 - Step 5: Solve for x
x = 438,457,178,254.23/747,433.44 - Step 6: Final answer
x = 586,617.02
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1.5x scale
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.