Finding the Fourth Proportional to 908,807.60, 1,366,163.85 and 778,899.80
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Solution
The fourth proportional to 908,807.60, 1,366,163.85 and 778,899.80 is: 1,170,880.12
Step by Step Solution
- Step 1: Write the proportion equation
908,807.60 : 1,366,163.85 = 778,899.80 : x - Step 2: Convert to fraction form
908,807.60/1,366,163.85 = 778,899.80/x - Step 3: Cross multiply
908,807.60x = 1,366,163.85 × 778,899.80 - Step 4: Simplify right side
908,807.60x = 1,064,104,749,532.23 - Step 5: Solve for x
x = 1,064,104,749,532.23/908,807.60 - Step 6: Final answer
x = 1,170,880.12
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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.