Finding the Fourth Proportional to 979,929.51, 1,352,177.31 and 571,937.79
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Solution
The fourth proportional to 979,929.51, 1,352,177.31 and 571,937.79 is: 789,200.95
Step by Step Solution
- Step 1: Write the proportion equation
979,929.51 : 1,352,177.31 = 571,937.79 : x - Step 2: Convert to fraction form
979,929.51/1,352,177.31 = 571,937.79/x - Step 3: Cross multiply
979,929.51x = 1,352,177.31 × 571,937.79 - Step 4: Simplify right side
979,929.51x = 773,361,302,369.55 - Step 5: Solve for x
x = 773,361,302,369.55/979,929.51 - Step 6: Final answer
x = 789,200.95
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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.