Finding the Fourth Proportional to 832,106.20, 1,246,409.70 and 692,138.20
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Solution
The fourth proportional to 832,106.20, 1,246,409.70 and 692,138.20 is: 1,036,752.00
Step by Step Solution
- Step 1: Write the proportion equation
832,106.20 : 1,246,409.70 = 692,138.20 : x - Step 2: Convert to fraction form
832,106.20/1,246,409.70 = 692,138.20/x - Step 3: Cross multiply
832,106.20x = 1,246,409.70 × 692,138.20 - Step 4: Simplify right side
832,106.20x = 862,687,766,220.54 - Step 5: Solve for x
x = 862,687,766,220.54/832,106.20 - Step 6: Final answer
x = 1,036,752.00
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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.