Finding the Fourth Proportional to 735,331.60, 1,103,029.80 and 415,478.80
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Solution
The fourth proportional to 735,331.60, 1,103,029.80 and 415,478.80 is: 623,236.51
Step by Step Solution
- Step 1: Write the proportion equation
735,331.60 : 1,103,029.80 = 415,478.80 : x - Step 2: Convert to fraction form
735,331.60/1,103,029.80 = 415,478.80/x - Step 3: Cross multiply
735,331.60x = 1,103,029.80 × 415,478.80 - Step 4: Simplify right side
735,331.60x = 458,285,497,668.24 - Step 5: Solve for x
x = 458,285,497,668.24/735,331.60 - Step 6: Final answer
x = 623,236.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.