Finding the Fourth Proportional to 784,435.95, 1,176,648.66 and 519,382.62
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Solution
The fourth proportional to 784,435.95, 1,176,648.66 and 519,382.62 is: 779,070.44
Step by Step Solution
- Step 1: Write the proportion equation
784,435.95 : 1,176,648.66 = 519,382.62 : x - Step 2: Convert to fraction form
784,435.95/1,176,648.66 = 519,382.62/x - Step 3: Cross multiply
784,435.95x = 1,176,648.66 × 519,382.62 - Step 4: Simplify right side
784,435.95x = 611,130,863,850.29 - Step 5: Solve for x
x = 611,130,863,850.29/784,435.95 - Step 6: Final answer
x = 779,070.44
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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.