Finding the Fourth Proportional to 776,037.60, 1,163,301.84 and 371,124.96
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Solution
The fourth proportional to 776,037.60, 1,163,301.84 and 371,124.96 is: 556,326.59
Step by Step Solution
- Step 1: Write the proportion equation
776,037.60 : 1,163,301.84 = 371,124.96 : x - Step 2: Convert to fraction form
776,037.60/1,163,301.84 = 371,124.96/x - Step 3: Cross multiply
776,037.60x = 1,163,301.84 × 371,124.96 - Step 4: Simplify right side
776,037.60x = 431,730,348,837.93 - Step 5: Solve for x
x = 431,730,348,837.93/776,037.60 - Step 6: Final answer
x = 556,326.59
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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.