Finding the Fourth Proportional to 609,202.50, 840,582.75 and 394,312.74
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Solution
The fourth proportional to 609,202.50, 840,582.75 and 394,312.74 is: 544,076.05
Step by Step Solution
- Step 1: Write the proportion equation
609,202.50 : 840,582.75 = 394,312.74 : x - Step 2: Convert to fraction form
609,202.50/840,582.75 = 394,312.74/x - Step 3: Cross multiply
609,202.50x = 840,582.75 × 394,312.74 - Step 4: Simplify right side
609,202.50x = 331,452,487,349.24 - Step 5: Solve for x
x = 331,452,487,349.24/609,202.50 - Step 6: Final answer
x = 544,076.05
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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.