Finding the Fourth Proportional to 828,792.24, 1,143,625.68 and 466,203.84
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Solution
The fourth proportional to 828,792.24, 1,143,625.68 and 466,203.84 is: 643,300.77
Step by Step Solution
- Step 1: Write the proportion equation
828,792.24 : 1,143,625.68 = 466,203.84 : x - Step 2: Convert to fraction form
828,792.24/1,143,625.68 = 466,203.84/x - Step 3: Cross multiply
828,792.24x = 1,143,625.68 × 466,203.84 - Step 4: Simplify right side
828,792.24x = 533,162,683,538.61 - Step 5: Solve for x
x = 533,162,683,538.61/828,792.24 - Step 6: Final answer
x = 643,300.77
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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.