Finding the Fourth Proportional to 583,247.38, 805,107.10 and 455,963.98
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Solution
The fourth proportional to 583,247.38, 805,107.10 and 455,963.98 is: 629,406.75
Step by Step Solution
- Step 1: Write the proportion equation
583,247.38 : 805,107.10 = 455,963.98 : x - Step 2: Convert to fraction form
583,247.38/805,107.10 = 455,963.98/x - Step 3: Cross multiply
583,247.38x = 805,107.10 × 455,963.98 - Step 4: Simplify right side
583,247.38x = 367,099,837,642.26 - Step 5: Solve for x
x = 367,099,837,642.26/583,247.38 - Step 6: Final answer
x = 629,406.75
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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.