Finding the Fourth Proportional to 539,041.23, 743,863.87 and 297,318.62
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Solution
The fourth proportional to 539,041.23, 743,863.87 and 297,318.62 is: 410,292.50
Step by Step Solution
- Step 1: Write the proportion equation
539,041.23 : 743,863.87 = 297,318.62 : x - Step 2: Convert to fraction form
539,041.23/743,863.87 = 297,318.62/x - Step 3: Cross multiply
539,041.23x = 743,863.87 × 297,318.62 - Step 4: Simplify right side
539,041.23x = 221,164,575,948.59 - Step 5: Solve for x
x = 221,164,575,948.59/539,041.23 - Step 6: Final answer
x = 410,292.50
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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.