Finding the Fourth Proportional to 581,380.67, 802,124.99 and 339,488.75
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Solution
The fourth proportional to 581,380.67, 802,124.99 and 339,488.75 is: 468,389.17
Step by Step Solution
- Step 1: Write the proportion equation
581,380.67 : 802,124.99 = 339,488.75 : x - Step 2: Convert to fraction form
581,380.67/802,124.99 = 339,488.75/x - Step 3: Cross multiply
581,380.67x = 802,124.99 × 339,488.75 - Step 4: Simplify right side
581,380.67x = 272,312,404,490.79 - Step 5: Solve for x
x = 272,312,404,490.79/581,380.67 - Step 6: Final answer
x = 468,389.17
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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.