Finding the Fourth Proportional to 813,237.64, 1,122,311.10 and 450,701.08
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Solution
The fourth proportional to 813,237.64, 1,122,311.10 and 450,701.08 is: 621,991.41
Step by Step Solution
- Step 1: Write the proportion equation
813,237.64 : 1,122,311.10 = 450,701.08 : x - Step 2: Convert to fraction form
813,237.64/1,122,311.10 = 450,701.08/x - Step 3: Cross multiply
813,237.64x = 1,122,311.10 × 450,701.08 - Step 4: Simplify right side
813,237.64x = 505,826,824,865.99 - Step 5: Solve for x
x = 505,826,824,865.99/813,237.64 - Step 6: Final answer
x = 621,991.41
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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.