Finding the Fourth Proportional to 539,366.90, 744,329.49 and 297,655.70
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Solution
The fourth proportional to 539,366.90, 744,329.49 and 297,655.70 is: 410,766.61
Step by Step Solution
- Step 1: Write the proportion equation
539,366.90 : 744,329.49 = 297,655.70 : x - Step 2: Convert to fraction form
539,366.90/744,329.49 = 297,655.70/x - Step 3: Cross multiply
539,366.90x = 744,329.49 × 297,655.70 - Step 4: Simplify right side
539,366.90x = 221,553,915,376.59 - Step 5: Solve for x
x = 221,553,915,376.59/539,366.90 - Step 6: Final answer
x = 410,766.61
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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.