Finding the Fourth Proportional to 872,070.92, 1,306,611.60 and 692,709.58
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Solution
The fourth proportional to 872,070.92, 1,306,611.60 and 692,709.58 is: 1,037,877.03
Step by Step Solution
- Step 1: Write the proportion equation
872,070.92 : 1,306,611.60 = 692,709.58 : x - Step 2: Convert to fraction form
872,070.92/1,306,611.60 = 692,709.58/x - Step 3: Cross multiply
872,070.92x = 1,306,611.60 × 692,709.58 - Step 4: Simplify right side
872,070.92x = 905,102,372,659.13 - Step 5: Solve for x
x = 905,102,372,659.13/872,070.92 - Step 6: Final answer
x = 1,037,877.03
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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.