Finding the Fourth Proportional to 854,042.68, 1,177,815.40 and 708,618.12
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Solution
The fourth proportional to 854,042.68, 1,177,815.40 and 708,618.12 is: 977,259.51
Step by Step Solution
- Step 1: Write the proportion equation
854,042.68 : 1,177,815.40 = 708,618.12 : x - Step 2: Convert to fraction form
854,042.68/1,177,815.40 = 708,618.12/x - Step 3: Cross multiply
854,042.68x = 1,177,815.40 × 708,618.12 - Step 4: Simplify right side
854,042.68x = 834,621,334,455.05 - Step 5: Solve for x
x = 834,621,334,455.05/854,042.68 - Step 6: Final answer
x = 977,259.51
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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.