Finding the Fourth Proportional to 735,473.78, 1,014,947.79 and 413,177.09
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Solution
The fourth proportional to 735,473.78, 1,014,947.79 and 413,177.09 is: 570,181.00
Step by Step Solution
- Step 1: Write the proportion equation
735,473.78 : 1,014,947.79 = 413,177.09 : x - Step 2: Convert to fraction form
735,473.78/1,014,947.79 = 413,177.09/x - Step 3: Cross multiply
735,473.78x = 1,014,947.79 × 413,177.09 - Step 4: Simplify right side
735,473.78x = 419,353,174,374.13 - Step 5: Solve for x
x = 419,353,174,374.13/735,473.78 - Step 6: Final answer
x = 570,181.00
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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.