Finding the Fourth Proportional to 980,433.05, 1,352,787.73 and 572,349.67
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Solution
The fourth proportional to 980,433.05, 1,352,787.73 and 572,349.67 is: 789,720.02
Step by Step Solution
- Step 1: Write the proportion equation
980,433.05 : 1,352,787.73 = 572,349.67 : x - Step 2: Convert to fraction form
980,433.05/1,352,787.73 = 572,349.67/x - Step 3: Cross multiply
980,433.05x = 1,352,787.73 × 572,349.67 - Step 4: Simplify right side
980,433.05x = 774,267,606,032.71 - Step 5: Solve for x
x = 774,267,606,032.71/980,433.05 - Step 6: Final answer
x = 789,720.02
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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.