Finding the Fourth Proportional to 857,595.83, 1,183,554.92 and 475,745.63
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Solution
The fourth proportional to 857,595.83, 1,183,554.92 and 475,745.63 is: 656,569.28
Step by Step Solution
- Step 1: Write the proportion equation
857,595.83 : 1,183,554.92 = 475,745.63 : x - Step 2: Convert to fraction form
857,595.83/1,183,554.92 = 475,745.63/x - Step 3: Cross multiply
857,595.83x = 1,183,554.92 × 475,745.63 - Step 4: Simplify right side
857,595.83x = 563,071,076,326.59 - Step 5: Solve for x
x = 563,071,076,326.59/857,595.83 - Step 6: Final answer
x = 656,569.28
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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.