Finding the Fourth Proportional to 704,669.96, 972,037.86 and 449,733.80
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Solution
The fourth proportional to 704,669.96, 972,037.86 and 449,733.80 is: 620,373.09
Step by Step Solution
- Step 1: Write the proportion equation
704,669.96 : 972,037.86 = 449,733.80 : x - Step 2: Convert to fraction form
704,669.96/972,037.86 = 449,733.80/x - Step 3: Cross multiply
704,669.96x = 972,037.86 × 449,733.80 - Step 4: Simplify right side
704,669.96x = 437,158,280,521.67 - Step 5: Solve for x
x = 437,158,280,521.67/704,669.96 - Step 6: Final answer
x = 620,373.09
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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.