Finding the Fourth Proportional to 648,840.74, 888,896.97 and 624,582.09
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Solution
The fourth proportional to 648,840.74, 888,896.97 and 624,582.09 is: 855,663.18
Step by Step Solution
- Step 1: Write the proportion equation
648,840.74 : 888,896.97 = 624,582.09 : x - Step 2: Convert to fraction form
648,840.74/888,896.97 = 624,582.09/x - Step 3: Cross multiply
648,840.74x = 888,896.97 × 624,582.09 - Step 4: Simplify right side
648,840.74x = 555,189,127,317.27 - Step 5: Solve for x
x = 555,189,127,317.27/648,840.74 - Step 6: Final answer
x = 855,663.18
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.