Finding the Fourth Proportional to 580,664.72, 870,013.95 and 355,554.99
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Solution
The fourth proportional to 580,664.72, 870,013.95 and 355,554.99 is: 532,730.50
Step by Step Solution
- Step 1: Write the proportion equation
580,664.72 : 870,013.95 = 355,554.99 : x - Step 2: Convert to fraction form
580,664.72/870,013.95 = 355,554.99/x - Step 3: Cross multiply
580,664.72x = 870,013.95 × 355,554.99 - Step 4: Simplify right side
580,664.72x = 309,337,801,292.11 - Step 5: Solve for x
x = 309,337,801,292.11/580,664.72 - Step 6: Final answer
x = 532,730.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.