Finding the Fourth Proportional to 570,420.99, 787,224.68 and 325,411.14
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Solution
The fourth proportional to 570,420.99, 787,224.68 and 325,411.14 is: 449,092.31
Step by Step Solution
- Step 1: Write the proportion equation
570,420.99 : 787,224.68 = 325,411.14 : x - Step 2: Convert to fraction form
570,420.99/787,224.68 = 325,411.14/x - Step 3: Cross multiply
570,420.99x = 787,224.68 × 325,411.14 - Step 4: Simplify right side
570,420.99x = 256,171,680,554.94 - Step 5: Solve for x
x = 256,171,680,554.94/570,420.99 - Step 6: Final answer
x = 449,092.31
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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.