Finding the Fourth Proportional to 873,548.01, 1,205,486.66 and 486,354.95
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Solution
The fourth proportional to 873,548.01, 1,205,486.66 and 486,354.95 is: 671,164.48
Step by Step Solution
- Step 1: Write the proportion equation
873,548.01 : 1,205,486.66 = 486,354.95 : x - Step 2: Convert to fraction form
873,548.01/1,205,486.66 = 486,354.95/x - Step 3: Cross multiply
873,548.01x = 1,205,486.66 × 486,354.95 - Step 4: Simplify right side
873,548.01x = 586,294,395,790.76 - Step 5: Solve for x
x = 586,294,395,790.76/873,548.01 - Step 6: Final answer
x = 671,164.48
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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.