Finding the Fourth Proportional to 883,452.60, 1,219,131.33 and 539,863.05
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Solution
The fourth proportional to 883,452.60, 1,219,131.33 and 539,863.05 is: 744,990.69
Step by Step Solution
- Step 1: Write the proportion equation
883,452.60 : 1,219,131.33 = 539,863.05 : x - Step 2: Convert to fraction form
883,452.60/1,219,131.33 = 539,863.05/x - Step 3: Cross multiply
883,452.60x = 1,219,131.33 × 539,863.05 - Step 4: Simplify right side
883,452.60x = 658,163,958,164.36 - Step 5: Solve for x
x = 658,163,958,164.36/883,452.60 - Step 6: Final answer
x = 744,990.69
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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.