Finding the Fourth Proportional to 782,055.36, 1,173,103.40 and 249,575.68
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Solution
The fourth proportional to 782,055.36, 1,173,103.40 and 249,575.68 is: 374,370.02
Step by Step Solution
- Step 1: Write the proportion equation
782,055.36 : 1,173,103.40 = 249,575.68 : x - Step 2: Convert to fraction form
782,055.36/1,173,103.40 = 249,575.68/x - Step 3: Cross multiply
782,055.36x = 1,173,103.40 × 249,575.68 - Step 4: Simplify right side
782,055.36x = 292,778,078,765.31 - Step 5: Solve for x
x = 292,778,078,765.31/782,055.36 - Step 6: Final answer
x = 374,370.02
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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.