Finding the Fourth Proportional to 749,628.57, 1,124,424.18 and 350,715.67
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Solution
The fourth proportional to 749,628.57, 1,124,424.18 and 350,715.67 is: 526,064.77
Step by Step Solution
- Step 1: Write the proportion equation
749,628.57 : 1,124,424.18 = 350,715.67 : x - Step 2: Convert to fraction form
749,628.57/1,124,424.18 = 350,715.67/x - Step 3: Cross multiply
749,628.57x = 1,124,424.18 × 350,715.67 - Step 4: Simplify right side
749,628.57x = 394,353,183,166.73 - Step 5: Solve for x
x = 394,353,183,166.73/749,628.57 - Step 6: Final answer
x = 526,064.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.