Finding the Fourth Proportional to 831,036.19, 1,146,760.98 and 468,549.19
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Solution
The fourth proportional to 831,036.19, 1,146,760.98 and 468,549.19 is: 646,559.00
Step by Step Solution
- Step 1: Write the proportion equation
831,036.19 : 1,146,760.98 = 468,549.19 : x - Step 2: Convert to fraction form
831,036.19/1,146,760.98 = 468,549.19/x - Step 3: Cross multiply
831,036.19x = 1,146,760.98 × 468,549.19 - Step 4: Simplify right side
831,036.19x = 537,313,928,302.61 - Step 5: Solve for x
x = 537,313,928,302.61/831,036.19 - Step 6: Final answer
x = 646,559.00
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1.5x scale
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.