Finding the Fourth Proportional to 791,421.26, 1,187,132.36 and 555,815.75
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Solution
The fourth proportional to 791,421.26, 1,187,132.36 and 555,815.75 is: 833,723.95
Step by Step Solution
- Step 1: Write the proportion equation
791,421.26 : 1,187,132.36 = 555,815.75 : x - Step 2: Convert to fraction form
791,421.26/1,187,132.36 = 555,815.75/x - Step 3: Cross multiply
791,421.26x = 1,187,132.36 × 555,815.75 - Step 4: Simplify right side
791,421.26x = 659,826,854,307.93 - Step 5: Solve for x
x = 659,826,854,307.93/791,421.26 - Step 6: Final answer
x = 833,723.95
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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.