Finding the Fourth Proportional to 472,355.47, 708,686.21 and 282,786.19
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Solution
The fourth proportional to 472,355.47, 708,686.21 and 282,786.19 is: 424,270.88
Step by Step Solution
- Step 1: Write the proportion equation
472,355.47 : 708,686.21 = 282,786.19 : x - Step 2: Convert to fraction form
472,355.47/708,686.21 = 282,786.19/x - Step 3: Cross multiply
472,355.47x = 708,686.21 × 282,786.19 - Step 4: Simplify right side
472,355.47x = 200,406,673,231.44 - Step 5: Solve for x
x = 200,406,673,231.44/472,355.47 - Step 6: Final answer
x = 424,270.88
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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.