Finding the Fourth Proportional to 458,539.07, 631,743.01 and 354,816.62
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Solution
The fourth proportional to 458,539.07, 631,743.01 and 354,816.62 is: 488,841.48
Step by Step Solution
- Step 1: Write the proportion equation
458,539.07 : 631,743.01 = 354,816.62 : x - Step 2: Convert to fraction form
458,539.07/631,743.01 = 354,816.62/x - Step 3: Cross multiply
458,539.07x = 631,743.01 × 354,816.62 - Step 4: Simplify right side
458,539.07x = 224,152,916,358.11 - Step 5: Solve for x
x = 224,152,916,358.11/458,539.07 - Step 6: Final answer
x = 488,841.48
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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.