Finding the Fourth Proportional to 828,467.49, 1,242,147.66 and 668,739.95
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Solution
The fourth proportional to 828,467.49, 1,242,147.66 and 668,739.95 is: 1,002,663.07
Step by Step Solution
- Step 1: Write the proportion equation
828,467.49 : 1,242,147.66 = 668,739.95 : x - Step 2: Convert to fraction form
828,467.49/1,242,147.66 = 668,739.95/x - Step 3: Cross multiply
828,467.49x = 1,242,147.66 × 668,739.95 - Step 4: Simplify right side
828,467.49x = 830,673,759,980.56 - Step 5: Solve for x
x = 830,673,759,980.56/828,467.49 - Step 6: Final answer
x = 1,002,663.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.