Finding the Fourth Proportional to 964,383.68, 1,330,215.54 and 619,676.84
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Solution
The fourth proportional to 964,383.68, 1,330,215.54 and 619,676.84 is: 854,746.69
Step by Step Solution
- Step 1: Write the proportion equation
964,383.68 : 1,330,215.54 = 619,676.84 : x - Step 2: Convert to fraction form
964,383.68/1,330,215.54 = 619,676.84/x - Step 3: Cross multiply
964,383.68x = 1,330,215.54 × 619,676.84 - Step 4: Simplify right side
964,383.68x = 824,303,762,346.09 - Step 5: Solve for x
x = 824,303,762,346.09/964,383.68 - Step 6: Final answer
x = 854,746.69
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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.