Finding the Fourth Proportional to 791,763.26, 1,187,645.19 and 286,313.08
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Solution
The fourth proportional to 791,763.26, 1,187,645.19 and 286,313.08 is: 429,469.73
Step by Step Solution
- Step 1: Write the proportion equation
791,763.26 : 1,187,645.19 = 286,313.08 : x - Step 2: Convert to fraction form
791,763.26/1,187,645.19 = 286,313.08/x - Step 3: Cross multiply
791,763.26x = 1,187,645.19 × 286,313.08 - Step 4: Simplify right side
791,763.26x = 340,038,350,480.13 - Step 5: Solve for x
x = 340,038,350,480.13/791,763.26 - Step 6: Final answer
x = 429,469.73
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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.