Finding the Fourth Proportional to 930,801.18, 1,284,365.70 and 522,824.88
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Solution
The fourth proportional to 930,801.18, 1,284,365.70 and 522,824.88 is: 721,419.74
Step by Step Solution
- Step 1: Write the proportion equation
930,801.18 : 1,284,365.70 = 522,824.88 : x - Step 2: Convert to fraction form
930,801.18/1,284,365.70 = 522,824.88/x - Step 3: Cross multiply
930,801.18x = 1,284,365.70 × 522,824.88 - Step 4: Simplify right side
930,801.18x = 671,498,342,978.62 - Step 5: Solve for x
x = 671,498,342,978.62/930,801.18 - Step 6: Final answer
x = 721,419.74
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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.