Finding the Fourth Proportional to 735,319.60, 1,103,011.80 and 415,466.80
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Solution
The fourth proportional to 735,319.60, 1,103,011.80 and 415,466.80 is: 623,218.51
Step by Step Solution
- Step 1: Write the proportion equation
735,319.60 : 1,103,011.80 = 415,466.80 : x - Step 2: Convert to fraction form
735,319.60/1,103,011.80 = 415,466.80/x - Step 3: Cross multiply
735,319.60x = 1,103,011.80 × 415,466.80 - Step 4: Simplify right side
735,319.60x = 458,264,782,908.24 - Step 5: Solve for x
x = 458,264,782,908.24/735,319.60 - Step 6: Final answer
x = 623,218.51
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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.