Finding the Fourth Proportional to 979,926.51, 1,352,173.17 and 571,934.79
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Solution
The fourth proportional to 979,926.51, 1,352,173.17 and 571,934.79 is: 789,196.81
Step by Step Solution
- Step 1: Write the proportion equation
979,926.51 : 1,352,173.17 = 571,934.79 : x - Step 2: Convert to fraction form
979,926.51/1,352,173.17 = 571,934.79/x - Step 3: Cross multiply
979,926.51x = 1,352,173.17 × 571,934.79 - Step 4: Simplify right side
979,926.51x = 773,354,878,027.58 - Step 5: Solve for x
x = 773,354,878,027.58/979,926.51 - Step 6: Final answer
x = 789,196.81
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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.