Finding the Fourth Proportional to 520,270.24, 779,869.68 and 204,599.20
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Solution
The fourth proportional to 520,270.24, 779,869.68 and 204,599.20 is: 306,688.14
Step by Step Solution
- Step 1: Write the proportion equation
520,270.24 : 779,869.68 = 204,599.20 : x - Step 2: Convert to fraction form
520,270.24/779,869.68 = 204,599.20/x - Step 3: Cross multiply
520,270.24x = 779,869.68 × 204,599.20 - Step 4: Simplify right side
520,270.24x = 159,560,712,632.26 - Step 5: Solve for x
x = 159,560,712,632.26/520,270.24 - Step 6: Final answer
x = 306,688.14
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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.