Finding the Fourth Proportional to 746,281.55, 1,032,828.35 and 728,373.12
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Solution
The fourth proportional to 746,281.55, 1,032,828.35 and 728,373.12 is: 1,008,043.69
Step by Step Solution
- Step 1: Write the proportion equation
746,281.55 : 1,032,828.35 = 728,373.12 : x - Step 2: Convert to fraction form
746,281.55/1,032,828.35 = 728,373.12/x - Step 3: Cross multiply
746,281.55x = 1,032,828.35 × 728,373.12 - Step 4: Simplify right side
746,281.55x = 752,284,404,072.09 - Step 5: Solve for x
x = 752,284,404,072.09/746,281.55 - Step 6: Final answer
x = 1,008,043.69
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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.