Finding the Fourth Proportional to 930,456.75, 1,283,417.96 and 671,903.13
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Solution
The fourth proportional to 930,456.75, 1,283,417.96 and 671,903.13 is: 926,784.12
Step by Step Solution
- Step 1: Write the proportion equation
930,456.75 : 1,283,417.96 = 671,903.13 : x - Step 2: Convert to fraction form
930,456.75/1,283,417.96 = 671,903.13/x - Step 3: Cross multiply
930,456.75x = 1,283,417.96 × 671,903.13 - Step 4: Simplify right side
930,456.75x = 862,332,541,062.70 - Step 5: Solve for x
x = 862,332,541,062.70/930,456.75 - Step 6: Final answer
x = 926,784.12
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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.