Finding the Fourth Proportional to 832,090.20, 1,246,385.70 and 692,122.20
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Solution
The fourth proportional to 832,090.20, 1,246,385.70 and 692,122.20 is: 1,036,728.00
Step by Step Solution
- Step 1: Write the proportion equation
832,090.20 : 1,246,385.70 = 692,122.20 : x - Step 2: Convert to fraction form
832,090.20/1,246,385.70 = 692,122.20/x - Step 3: Cross multiply
832,090.20x = 1,246,385.70 × 692,122.20 - Step 4: Simplify right side
832,090.20x = 862,651,212,732.54 - Step 5: Solve for x
x = 862,651,212,732.54/832,090.20 - Step 6: Final answer
x = 1,036,728.00
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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.