Finding the Fourth Proportional to 572,334.60, 789,596.99 and 342,901.55
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Solution
The fourth proportional to 572,334.60, 789,596.99 and 342,901.55 is: 473,069.48
Step by Step Solution
- Step 1: Write the proportion equation
572,334.60 : 789,596.99 = 342,901.55 : x - Step 2: Convert to fraction form
572,334.60/789,596.99 = 342,901.55/x - Step 3: Cross multiply
572,334.60x = 789,596.99 × 342,901.55 - Step 4: Simplify right side
572,334.60x = 270,754,032,327.29 - Step 5: Solve for x
x = 270,754,032,327.29/572,334.60 - Step 6: Final answer
x = 473,069.48
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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.