Finding the Fourth Proportional to 930,457.75, 1,283,419.33 and 671,904.13
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Solution
The fourth proportional to 930,457.75, 1,283,419.33 and 671,904.13 is: 926,785.50
Step by Step Solution
- Step 1: Write the proportion equation
930,457.75 : 1,283,419.33 = 671,904.13 : x - Step 2: Convert to fraction form
930,457.75/1,283,419.33 = 671,904.13/x - Step 3: Cross multiply
930,457.75x = 1,283,419.33 × 671,904.13 - Step 4: Simplify right side
930,457.75x = 862,334,748,348.83 - Step 5: Solve for x
x = 862,334,748,348.83/930,457.75 - Step 6: Final answer
x = 926,785.50
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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.