Finding the Fourth Proportional to 747,629.21, 1,031,715.14 and 425,332.44
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Solution
The fourth proportional to 747,629.21, 1,031,715.14 and 425,332.44 is: 586,951.27
Step by Step Solution
- Step 1: Write the proportion equation
747,629.21 : 1,031,715.14 = 425,332.44 : x - Step 2: Convert to fraction form
747,629.21/1,031,715.14 = 425,332.44/x - Step 3: Cross multiply
747,629.21x = 1,031,715.14 × 425,332.44 - Step 4: Simplify right side
747,629.21x = 438,821,913,785.90 - Step 5: Solve for x
x = 438,821,913,785.90/747,629.21 - Step 6: Final answer
x = 586,951.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.