Finding the Fourth Proportional to 648,324.36, 894,289.86 and 430,542.36
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Solution
The fourth proportional to 648,324.36, 894,289.86 and 430,542.36 is: 593,884.31
Step by Step Solution
- Step 1: Write the proportion equation
648,324.36 : 894,289.86 = 430,542.36 : x - Step 2: Convert to fraction form
648,324.36/894,289.86 = 430,542.36/x - Step 3: Cross multiply
648,324.36x = 894,289.86 × 430,542.36 - Step 4: Simplify right side
648,324.36x = 385,029,666,848.47 - Step 5: Solve for x
x = 385,029,666,848.47/648,324.36 - Step 6: Final answer
x = 593,884.31
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1.5x scale
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.